Sargent 8237-LNL-26D COMPLETE LNL Classroom Mortise Lock, LN Rose x L Lever, LA Keyway, Grade 1, Satin Chrome

Sargent 8237-LNL-26D COMPLETE Classroom Mortise Lock is engineered to deliver exceptional security and functionality for educational environments. This Grade 1 mortise lock features a robust construction and a satin chrome finish (626/US26D), ensuring both durability and an appealing aesthetic. The lock is designed for easy installation, allowing for swift re-handing without the need to remove components or open the lock case. The 8237 model accommodates standard door thicknesses of 1-3/4" (44mm) and includes a 2-3/4" (70mm) backset. Its versatility is enhanced by the availability of multiple escutcheon and lever styles, making it suitable for a wide range of applications. The lock also supports a variety of functions, including classroom security, with a straightforward operation that allows the key outside to retract the latchbolt while locking and unlocking the outside trim. Safety features include vandalism deterrent trim and status indicators that provide peace of mind regarding the locked/unlocked status. The Sargent 8237-LNL-26D is masterkeyed and offers a 10-year limited warranty, making it a reliable choice for institutional security. Experience peace of mind with this high-performance mortise lock that expertly balances security, style, and functionality.

Classroom Mortise Lock, LNL - LN Rose x L Lever, LA Keyway 1-Bitted, Grade 1, 626/US26D Satin Chrome

The 8200 series mortise lock deadbolt is designed and constructed with the highest quality components to provide maximum security, performance and durability. This robust and easy-to-install deadbolt is an industry benchmark.

Features:

• Fast and easy installation. Lock is easily re-handed without removing parts or opening the lock case
• Aesthetic design. Many escutcheon and lever styles available to match a wide range of styles
• Many standard architectural grade finishes, including Polished Nickel (US14) & Satin Nickel (US15) finishes
• 54 functions including 4 electrical functions. The most in the industry for a broad range of applications
• Versatile. Offered for door thicknesses ranging from 1-3/8" (35mm) to 6" (152mm)
• Available with vandalism deterrent trim and/or secure fastener options Torx and spanner screws for high abuse conditions
• Available with push/pull trim, perfect for hospital applications
• Status indicator options provide peace of mind on the locked/unlocked status of a door

Specifications:

• For Doors: 1-3⁄4" (44mm) thick standard
• Backset: 2-3⁄4" (70mm) only
• Outside Front Plate: Brass, bronze or stainless steel. 8" (203mm) x 1-1⁄4" (31mm), ANSI/BHMA Standard A156.115
• Front: Adjustable at any angle from flat to beveled 1⁄8" (3mm) in 2" (51mm)
• Hubs for Knobs/Levers:
• 7800: sintered iron copper infiltrated
• 8200: cold forged steel
• R8200: investment cast steel
• Auxiliary Deadlatch: Stainless steel and non-handed
• Handed: Specify hand on order; easily field reversible (if no hand is specified RH will be provided)
• Strike: Brass, bronze or stainless steel; ANSI standard; curved lip, non-handed (strike box optional)
• Keys: Two, nickel silver (control key or emergency key must be ordered when required)
• Cylinder: Brass, size #41 (1-1/8") standard (except for freewheeling, size #46 (1-3/4")
• Masterkeyed: Can be masterkeyed or grand masterkeyed. Construction keying available. LA standard keyway
• Stile: 4-1/2" (114mm) minimum stile for 7800/8200/R8200, 4-3/4" (121mm) minimum stile for electrical function locks
• Door Prep: ANSI/BHMA A156.115 or A156.115W modified per template (see template)
• Warranty: 10 year limited warranty, 2 year limited warranty on electrified locks. Warranty limited to replacement of lockbody and/or components

Single Cylinder without Deadbolt Functions:

• 04 Storeroom or Closet: 8200, R8200 & 7800
• ANSI F07
• Key outside retracts latchbolt
• Trim outside locked at all times
• Trim inside always retracts latchbolt
• Auxiliary deadlatch
• A multi-function 8200/R8200/7800 lockbody
• 05 Office or Entry: 8200, R8200 & 7800
• ANSI F04
• Key outside retracts latchbolt, also locks & unlocks outside trim
• Trim inside always retracts latchbolt, trim outside remains locked
• Thumbturn inside locks & unlocks outside trim
• Auxiliary deadlatch
• A multi-function 8200/R8200/7800 lockbody
• Note: Office/entry function with toggle is a 55 function.
• The multi-function advantage with rose trim:
• 1. Lock will accommodate 04, 05, 15 & 37 functions without additional parts.
• 2. By adding an additional cylinder, lock will accommodate 38 function.
• 3. By adding a Trim One Side Kit, lock will accommodate 06, 13, 31 & 36 functions.
• 06 Storeroom or Service: 8200, R8200 & 7800
• No trim outside, cylinder only
• Key outside retracts latchbolt
• Trim inside always retracts latchbolt
• Auxiliary deadlatch
• A multi-function 8200/R8200/7800 lockbody
• Same as 04 function without trim outside
• 31 Utility: 8200, R8200 & 7800
• Key outside retracts latchbolt
• Trim outside is always locked
• No inside trim or cylinder
• A multi-function 8200/R8200/7800 lockbody
• Auxiliary deadlatch
• 36 Closet: 8200, R8200 & 7800
• Key locks and unlocks trim
• No inside trim or cylinder
• A multi-function 8200/R8200/7800 lockbody
• Auxiliary dead latch
• 37 Classroom: 8200, R8200 & 7800
• ANSI F05
• Key outside retracts latchbolt, also locks & unlocks outside trim
• Trim inside always retracts latchbolt
• Auxiliary deadlatch
• A multi-function 8200/R8200/7800 lockbody
• 55 Office or Entry: 8200, R8200 & 7800
• Key outside retracts latchbolt
• Trim inside always retracts latchbolt, outside trim remains locked
• Trim outside is locked & unlocked by the toggle only
• Auxiliary deadlatch
• 56 Office & Inner Entry Lock: 8200, R8200 & 7800
• Key outside retracts latchbolt
• Trim inside always retracts latchbolt and unlocks outside trim
• Trim outside is locked by thumbturn or key
• Auxiliary deadlatch
• 57 Institutional Privacy: 8200, R8200 & 7800
• Key outside retracts latchbolt, overriding thumbturn when held in locked position
• Thumbturn inside locks & unlocks outside trim
• Trim outside unlocks when the door closes or operating trim inside
• Trim inside always retracts latchbolt
• Auxiliary deadlatch
• Note: Key locks & unlocks trim outside
• 58 Institutional Privacy: 8200, R8200 & 7800
• Key outside retracts latchbolt, overriding thumbturn when held in locked position
• Thumbturn inside locks & unlocks outside trim
• Trim outside does not unlock when the door closes
• Trim outside unlocks when operating trim inside
• Trim inside always retracts latchbolt
• Auxiliary deadlatch
• Note: Key locks & unlocks trim outside
• 67 Institutional Privacy: 8200, R8200 & 7800
• ANSI F26
• Key outside retracts latchbolt, overriding thumbturn when held in locked position
• Thumbturn inside locks & unlocks outside trim
• Trim outside unlocks when the door closes or operating trim inside
• Trim inside always retracts latchbolt
• Auxiliary deadlatch
• Note: Key does not lock trim outside, only unlocks it
• 89 Holdback: 8200
• ANSI F06
• Key outside retracts latchbolt, also locks & unlocks outside trim
• Trim inside always retracts latchbolt
• Auxiliary deadlatch
• Latch holdback — to set, rotating & hold lever, then rotate key twice toward latchbolt. Lever will remain in rotated position indicating it is unlocked
• 91 All Purpose Holdback: 8200
• Key outside retracts latchbolt
• Key outside can lock latchbolt in retracted position
• Trim inside always retracts latchbolt
• No outside trim
• Auxiliary deadlatch
• Latch holdback — set by rotating & holding trim, then rotate key toward latchbolt. Lever will remain in rotated position for unlocked indication

Single Cylinder with Deadbolt Functions:

• 24 Room Door: 8200, R8200 & 7800
• ANSI F21
• Key outside or thumbturn inside retracts and projects deadbolt
• Trim either side retracts latchbolt
• Latchbolt & deadbolt operate independently of each other
• 25 Dormitory or Exit: 8200, R8200 & 7800
• ANSI F13
• Key outside or thumbturn inside retracts and projects deadbolt
• Trim from either side retracts latchbolt, when the deadbolt is in the retracted position
• Trim outside is locked, when the deadbolt is projected
• When deadbolt is projected, trim inside retracts latchbolt and deadbolt simultaneously, unlocking outside trim
• 27 Closet or Storeroom: 8200, R8200 & 7800
• Key outside retracts and projects deadbolt
• Trim from either side retracts latchbolt
• Same as 24 function without thumbturn
• Latchbolt & deadbolt operate independently of each other
• 28 Dummy Trim Deadlock: 8200, R8200 & 7800
• Deadbolt operation only
• Key outside retracts and projects deadbolt
• Trim inside always retracts deadbolt
• Trim outside is always locked
• Thumbturn inside retracts and projects deadbolt
• Note: Indicator shows deadbolt position only
• 30 Dummy Trim Deadlock: 8200, R8200 & 7800
• Deadbolt operation only
• Key outside retracts and projects deadbolt
• Trim inside always retracts deadbolt
• Trim outside is always locked
• Same as 28 function without a thumbturn
• Note: Indicator shows deadbolt position only
• 35 Storeroom: 8200, R8200 & 7800
• Key outside retracts and projects deadbolt
• Trim outside retracts latchbolt, except when deadbolt is projected
• No inside trim or cylinder
• 43 Apartment Corridor Door: 8200, R8200 & 7800
• ANSI F20
• Key and thumbturn both retract & project the deadbolt
• Trim outside is locked by toggle or projecting deadbolt
• Trim outside is unlocked by toggle only
• Key retracts both latchbolt and deadbolt, trim outside remains locked
• Trim inside always retracts latchbolt (and deadbolt simultaneously), trim outside remains locked
• Auxiliary deadlatch
• 45 Dormitory or Exit: 8200, R8200 & 7800
• ANSI F12
• Key and thumbturn both retract & project deadbolt
• Trim outside is locked by toggle or projecting deadbolt
• Trim outside is unlocked by toggle only
• Key retracts both latchbolt and deadbolt, trim outside remains locked
• Trim inside always retracts latchbolt (and deadbolt simultaneously), trim outside remains locked
• Same as an 8243 without auxiliary deadlatch
• Note: Indicator shows deadbolt position only
• 47 Front Door or Apartment Corridor Door: 8200, R8200 & 7800
• ANSI F08/F10
• Key and thumbturn both retract & project deadbolt
• Trim outside is locked by toggle or projecting deadbolt
• Trim outside is unlocked by toggle only
• Key retracts both latchbolt and deadbolt, trim outside remains locked
• Trim inside retracts latchbolt only, deadbolt is retracted manually & trim outside remains locked
• Note: Indicator shows deadbolt position only
• 50 Hotel Guest: 8200, R8200 & 7800
• ANSI F15
• Hotel cylinder (50 function) required (standard & emergency keys)
• Standard Key retracts latchbolt only, will not retract or project deadbolt
• Emergency Key (ordered separately) will retract latchbolt & deadbolt and also project deadbolt
• Thumbturn retracts & projects deadbolt
• Trim inside retracts latchbolt & deadbolt simultaneously
• Trim outside is always locked
• Auxiliary deadlatch
• Available with conventional, LFIC (60- & 63-), degree (60-, 63-, & 64-) and Keso (82- & F1-82-) key systems
• Note: Indicator shows deadbolt position only
• 51 Storeroom Deadbolt: 8200, R8200 & 7800
• Key and thumbturn both retract & project the deadbolt
• Key will also retract latchbolt
• Trim inside retracts latchbolt & deadbolt simultaneously
• Trim outside is always locked
• Auxiliary deadlatch
• Same as 50 function with a standard cylinder
• Note: Indicator shows deadbolt position only

Double Cylinder without Deadbolt Functions:

• 16 Apartment, Exit or Public Restroom: 8200, R8200 & 7800
• ANSI F09
• Key outside retracts latchbolt
• Key inside is required to lock and unlock trim outside
• Trim inside always retracts latchbolt
• Auxiliary deadlatch
• Special -105 cam, required for inside cylinder (supplied)
• 17 Asylum or Institutional: 8200, R8200 & 7800
• ANSI F30
• Key from either side retracts latchbolt
• Trim on both sides are locked at all times
• Auxiliary deadlatch
• 38 Classroom Security Intruder Latchbolt: 8200, R8200 & 7800
• ANSI F32
• Key from either side locks & unlocks outside trim
• Key from either side retracts latchbolt
• Trim outside retracts latchbolt, except when locked
• Trim inside always retracts latchbolt
• A multi-function 8200/R8200/7800 lockbody
• Auxiliary deadlatch
• 42 Classroom Security Intruder Latchbolt: 8200
• Handed function; handing must be specified. This function is not field reversible for handing.
• Key inside only locks outside trim (does not unlock)
• Key outside locks and unlocks outside trim
• Key outside retracts latchbolt
• Trim outside retracts latchbolt, except when locked
• Trim inside always retracts latchbolt
• Auxiliary deadlatch
• 59 Double Locking: 8200, R8200
• Key from either side locks & unlocks both the inside & outside trims
• Key from either side retracts latchbolt
• Key from either side can retract latchbolt without unlocking trims
• Auxiliary deadlatch
• 90 Classroom Security Holdback: 8200
• Key from either side retracts latchbolt, also locks & unlocks outside trim
• Latchbolt can be locked in the retracted position by key from either side
• Trim inside always retracts latchbolt
• Auxiliary deadlatch
• Latch holdback — to set, rotating & hold lever, then rotate key twice toward latchbolt. Lever will remain in rotated position indicating it is unlocked
• 92 All Purpose Holdback: 8200 & 7800
• Key outside retracts latchbolt
• Key inside can lock latchbolt in retracted position when the lever is rotated
• Trim inside always retracts latchbolt
• No outside trim
• Auxiliary deadlatch
• 7892 "T " turn is used in place of knob
• Special -105 cam required for inside cylinder (supplied standard)
• Latch holdback — to set, rotating & hold lever, then rotate key twice toward latchbolt. Lever will remain in rotated position indicating it is unlocked

Double Cylinder with Deadbolt:

• 26Store Door: 8200, R8200 & 7800
• ANSI F14
• Key from either side retracts & projects deadbolt
• Trim from either side retracts latchbolt
• Latchbolt and deadbolt are independent of each other
• 29 Dummy Trim Deadlock: 8200, R8200 & 7800
• Deadbolt operation only
• Key on either side retracts & projects deadbolt
• Trim inside retracts deadbolt
• Trim outside is always locked
• Note: Indicator shows deadbolt position only
• 39 Classroom Security Intruder Deadbolt: 8200, R8200 & 7800
• ANSI F33
• Key either from side retracts or projects deadbolt which also unlocks or locks outside trim
• Trim outside retracts latchbolt, except when locked
• Trim outside is only locked by projecting the deadbolt
• Trim inside retracts both latchbolt and deadbolt simultaneously, and unlocks outside trim
• 40 Classroom Security Intruder Deadbolt: 8200, R8200 & 7800
• ANSI F34
• Key from either side retracts or projects deadbolt which also unlocks or locks outside trim
• Trim outside retracts latchbolt, except when locked
• Trim outside is only locked by projecting the deadbolt
• Trim inside retracts both latchbolt and deadbolt simultaneously, and unlocks outside trim
• Auxiliary deadlatch
• Same as an 8239 with auxiliary deadlatch
• 41 Classroom Security Intruder Deadbolt: 8200, R8200 & 7800
• Key from either side retracts and projects deadbolt
• When deadbolt is projected, 1st key rotation retracts deadbolt, 2nd key rotation unlocks trim outside
• Key retraction of latchbolt from either side unlocks trim outside
• Trim outside retracts latchbolt, except when locked
• Trim inside (when deadbolt is projected) retracts both latchbolt and deadbolt simultaneously and the outside trim remains locked
• Auxiliary deadlatch
• 46 Dormitory or Exit: 8200, R8200 & 7800
• Key from either side retracts and projects deadbolt
• Key from either side retracts both latchbolt and deadbolt, trim outside remains locked
• Trim outside is locked by toggle or projecting deadbolt
• Trim outside is unlocked by toggle only
• Trim inside (when deadbolt is projected) retracts both latchbolt and deadbolt simultaneously and the outside trim remains locked
• Note: Indicator shows deadbolt position only
• 48 Store Door: 8200, R8200 & 7800
• ANSI F25
• Key from either side retracts and projects deadbolt
• Key from either side retracts latchbolt
• Trim outside is locked by toggle or projecting deadbolt and unlocked by toggle only
• Trim inside (when deadbolt is projected) retracts latchbolt only, and outside trim remains locked
• 49 Security Deadbolt: 8200, R8200 & 7800
• Key from either side retracts and projects deadbolt
• Key from either side retracts latchbolt
• Trim inside & outside are locked only when deadbolt is projected
• 52 Institutional Deadbolt: 8200, R8200 & 7800
• Key from either side retracts and projects deadbolt
• Key from either side retracts latchbolt
• Trim inside and out are always locked
• Auxiliary deadlatch
• Note: Indicator shows deadbolt position only

Non-Keyed Functions:

• 12 Passage with Indicator: 8200 & 7800
• For doors with indicator that do not require locking
• Latchbolt retracted by trim either side at all times
• Throwing thumbturn on insidechanges state of status indicator
• Rotating either trim returns indicator to previous state
• Note: Only available with "V" series indicators. Indicator option code must be specified with this function
• 13 Exit Latch: 8200, R8200 & 7800
• ANSI F31
• No outside trim or cylinder
• Trim inside retracts latchbolt
• A multi-function 8200/R8200/7800 lockbody
• Auxiliary deadlatch
• 15 Passage or Closet: 8200, R8200 & 7800
• ANSI F01
• Trim from either side retracts latchbolt at all times
• 65 Privacy Bath/Bedroom: 8200, R8200 & 7800
• ANSI F22
• Trim outside retracts latchbolt except when locked by thumbturn
• Trim inside retracts latchbolt and unlocks outside trim
• Emergency Release locks/unlocks trim outside-by coin, screwdriver or emergency key (14-0057) ordered separately
• Thumbturn locks and unlocks trim outside
• Closing the door will unlock outside trim
• 66 Privacy Bath/Bedroom: 8200, R8200 & 7800
• ANSI F19
• Trim outside retracts latchbolt except when deadbolt is projected
• Trim inside retracts both latchbolt and deadbolt simultaneously, unlocking the outside trim
• Emergency Release retracts and projects deadbolt — by coin, screw driver or emergency key (14-0057) ordered separately
• Thumbturn retracts and projects deadbolt
• 68 Privacy Bath/Bedroom: 8200, R8200 & 7800
• ANSI F02
• Trim from either side retracts latchbolt at all times
• Thumbturn retracts and projects deadbolt
• Emergency release retracts and projects deadbolt – by coin, screwdriver or emergency key (14-0057) ordered separately
• Latchbolt and deadbolt are independent of each other
• 93 Trim Dummy: 8200, R8200 & 7800
• Trim on inside of door is always rigid
• Trim only used as door pull
• For double door applications, installed on the inactive door, use template #4298 to accept latchbolt from active door
• Note: Lever is through-bolted
• 94 Trim Dummy: 8200, R8200 & 7800
• Trim on both sides are always rigid
• Trim only used as door pull
• Recommended for double door applications on the inactive door, use template #4298, to accept latchbolt from active door
• Note: Lever not surface mounted
• 95 Single Trim Dummy: 8200, R8200 & 7800
• Trim inside only
• Trim is always rigid
• Includes lock case and armor front
• Not recommended on double door applications (will not accept latchbolt from active door
• 96 Double Trim Dummy: 8200, R8200 & 7800
• Trim on both sides of the door
• Both trims are always rigid
• Includes lock case and armor front
• Not recommended on double door applications (will not accept latchbolt from active door)
• 97 Active Trim Dummy: 8200, R8200 & 7800
• Trim on both sides are active
• Includes lock case and armor front
• Not recommended on double door applications (will not accept latchbolt from active door)

Deadbolt Only Functions:

• 03 Classroom Deadlock: 8200
• ANSI F29
• Deadbolt operation only
• Key outside retracts and projects deadbolt
• Thumbturn inside retracts deadbolt only, will not project it
• 20 Deadlock: 8200
• ANSI F18
• Deadbolt operation only
• Key outside retracts and projects deadbolt
• No insideoperation
• 21 Deadlock: 8200
• ANSI F17
• Deadbolt operation only
• Key outside retracts and projects deadbolt
• Thumbturn inside retracts and projects deadbolt
• 22 Deadlock: 8200
• ANSI F16
• Deadbolt operation only
• Key outside or inside retracts and projects deadbolt
• 23 Classroom Deadlock: 8200
• Deadbolt only operation
• Key outside or inside retracts and projects deadbolt
• Thumbturn inside retracts deadbolt, does not project deadbolt
• Same as 03 function with cylinder inside
• Not available with behavioral health trim

Finishes:

• 03/605 - Polished brass, clear coated
• 04/606 - Satin brass, clear coated
• 09/611 - Polished bronze, clear coated
• 10/612 - Satin bronze, clear coated
• 10B/613 - Oxidized bronze, oil rubbed
• 10BE/613E - Dark oxidized satin bronze, equivalent
• 10BL/614 - Oxidized satin, bronze, clear coated
• 14/618 - Polished nickel, clear coated
• 15/619 - Satin nickel, clear coated
• 20D/624 - Statuary dark bronze, clear coated
• 26/625 - Polished chrome
• 26D/626 - Satin chrome
• 32/629 - Polished stainless steel
• 32D/630 - Satin stainless steel
• BSP - Black suede powder coat
• WSP - White suede powder coat

Resources

• Cut Sheet