Product Description
The 9975L-17 3 US3 LHR is a Von Duprin 99 Series Mortise Lock exit device with L-17 Lever trim in Bright Brass (US3/605), 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 keyway.
| Brand | Von Duprin (Allegion) |
| Part Number | 9975L-17 3 US3 LHR |
| Series | Von Duprin 99 / 99 |
| Function | Classroom |
| Lever Design | L-17 Lever |
| Finish | Bright Brass (US3/605) |
| Handing | LHR |
| Door Size | 3 Foot |
| Device Type | Mortise Lock |
| Cylinder | Less Cylinder |
| Fire Rating | Non Fire Rated |
| Grade | ANSI/BHMA Grade 1 |
| Warranty | 3 years limited manufacturer's warranty |
- L-17 Lever trim — pull operation from outside for easier entry
- Ships less cylinder — order a mortise cylinder separately to match your keyway.
- In stock at Lock Depot — same-day shipping on orders before 3 PM EST
Accessories: Compatible with Von Duprin trims, mullions, and surface-mounted closers. Pair with the 050500 strike for standard installations. Electrified models require a compatible power supply (PS873 or PS914). Contact us for help selecting the right trim and accessories for your door configuration.
Lock Depot sells brand new Von Duprin products with the full manufacturer warranty.
Image shown is representative of the product line. Actual finish, trim, and configuration may vary by SKU.