Von Duprin 9975NL 3 US4 Grade 1 MTS Exit Device 606

Von Duprin 9975NL 3 US4 Grade 1 Mts Exit Device 606 is a premier choice for reliable egress solutions in both commercial and residential settings. This Grade 1 Mortise Exit Bar features a 36" device with a night latch function, making it ideal for high-traffic areas where safety is a priority. The satin brass finish not only adds a touch of elegance but also ensures durability against wear and tear. Designed to accommodate all types of single or double doors, the device fits stock hollow metal doors with an 86 cutout and door stiles as narrow as 4 3/4". The 7500 Mortise lock is equipped with a 3/4" anti-friction latch bolt that is reversible without needing to remove the lock from the door, enhancing installation convenience. Additionally, the non-handed auxiliary bolt provides deadlocking security. The ANSI A156.3 – 2001 Grade 1 certification guarantees quality and performance, while the hex dogging feature offers ease of operation. With a centerline height of 39 13/16" from the finished floor, the 9975NL device is engineered for both functionality and compliance. Enhance your door security with this dependable exit device that seamlessly combines safety, style, and efficiency.

Grade 1 Mts Exit Device 606

Grade 1 Mortise Exit Bar, 36" Device, Night Latch Function, Escutcheon Pull Trim, Hex Dogging, Satin Brass Finish, Field Reversible

9875/9975 Mortise lock device for all types of single or double doors, UL listed for panic exit hardware. Fits stock hollow metal doors with 86 cutout and door stiles as narrow as 4 3⁄4" (121mm). The 7500 Mortise lock is equipped with a 3⁄4" (19mm) anti-friction latch bolt which is field reversible without removing the lock from the door. It has a non-handed auxiliary bolt for deadlocking and a faceplate with an adjustable bevel.

Devices are ANSI A156.3 – 2001 Grade 1

The 9975 Series is for all types of single or double doors and is UL listed for panic exit hardware.  Fits stock hollow metal doors with 86 cutout and door stiles as narrow as 4 3 /4" (121mm). 

• Device functions: Device ships EO/DT/NL. Field selectable. For TP, K or L remove NL drive screw from device.
• Device lengths: 3' 2'4' to 3' (711mm to 914 mm) Door size 4' 2'10" to 4' (864 mm to 1219 mm) Door size
• Device centerline from finished floor: 39 13/16" (1011 mm) 39 11/16" (1008 mm) with mullion
• Center case dimensions: 8" x 2 3/4" x2 3/8" (203mm x 70mm x 60mm)
• Mechanism case dimensions: 2 1/4" x 2 1/4" (57mm x 57mm)
• Projection: Pushbar neutral – 3 13/16" (97 mm) Pushbar depressed – 3 1/16" (78 mm)
• Fasteners & sex bolts (SNB): Includes screw pack for 1 3/4" (44mm) and 2 1/4" (57mm) thick metal or wood do

Resources

• 10 Things You Need to Know About the Von Duprin Chexit
• 98/9975-2 Series Wood Door Template
• 990TP/TP-BE/NL Trim 98/9975 Mortise Lock Device Installation Instructions
• QEL Data Sheet
• Von Duprin Finishes Chart