Product Description
9975L-12 3 313 LHR Von Duprin 99 Series Classroom Mortise Lock Exit Device in Duranodic Dark Bronze
The 9975L-12 3 313 LHR is a Von Duprin 9975 Series Mortise Lock exit device with L-12 Lever trim in Duranodic Dark Bronze (313/313), sized for 3' doors. Classroom Function — outside lever is locked until unlocked by key, relocks automatically when door closes. Ships less cylinder — order a mortise cylinder separately to match your existing keyway.
ANSI/BHMA A156.3 Grade 1 certified. Hex key dogging standard. Factory set LHR, field reversible.
Pro-Tip from Our Locksmiths: The 9975 mortise lock exit device combines exit device push bar with a mortise lock body recessed into the door edge. This gives you the latching security of a mortise lock with code-compliant panic hardware. Popular on storefront doors where you need both security and life safety.
| Specifications | |
|---|---|
| Part Number | 9975L-12 3 313 LHR |
| Brand | Von Duprin (Allegion) |
| Series | Von Duprin 9975 |
| Function | Classroom |
| Lever Design | L-12 Lever |
| Grade | ANSI/BHMA A156.3 Grade 1 |
| Mount Type | Mortise Lock (mortise body recessed into door edge) |
| Finish | Duranodic Dark Bronze (313/313) |
| Handing | Left Hand Reverse (LHR) |
| Door Size | 3 Foot |
| Cylinder | Ships less cylinder |
| Fire Rating | Non Fire Rated |
- Von Duprin 9975 Series touch bar mechanism — Grade 1 architectural-grade panic hardware
- Mortise Lock (mortise body recessed into door edge)
- L-12 Lever trim — pull operation from outside
- Duranodic Dark Bronze finish
- Hex key dogging standard — hold latch retracted during business hours
Authorized Von Duprin Dealer — Lock Depot ships all Von Duprin products brand new in factory-sealed packaging with the complete manufacturer warranty. Same day shipping available on most orders. Questions? Contact us for free expert support.
Image shown is representative of the product line. Actual finish, trim, and configuration may vary by SKU.