Product Description
9875K-F-US3-4 Von Duprin 9875 Series with 996K-M Knob Fire Rated Mortise Lock Exit Device in Bright Brass
The 9875K-F-US3-4 is a Von Duprin 9875 Series Mortise Lock exit device in Bright Brass (US3/605), sized for 4' doors. Knob Trim — outside knob for keyed entry. Night latch function. Ships less cylinder — order a mortise cylinder separately to match your existing keyway.
Fire Rated — UL listed for use on fire-rated openings. Mechanical dogging is deleted per UL code on fire-rated models. Field-reversible handing.
Pro-Tip from Our Locksmiths: The 9875 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 | 9875K-F-US3-4 |
| Brand | Von Duprin (Allegion) |
| Series | Von Duprin 9875 |
| Function | Knob Trim |
| Grade | ANSI/BHMA A156.3 Grade 1 |
| Mount Type | Mortise Lock (mortise body recessed into door edge) |
| Finish | Bright Brass (US3/605) |
| Door Size | 4 Foot |
| Cylinder | Ships less cylinder |
| Fire Rating | Fire Rated — UL Listed |
- Von Duprin 9875 Series touch bar mechanism — Grade 1 architectural-grade panic hardware
- Mortise Lock (mortise body recessed into door edge)
- Bright Brass finish
- Fire rated — UL listed for fire-rated openings, no mechanical dogging
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.
