Falcon MA641P SN Dormitory Mortise Lock

Falcon MA641P SN Dormitory Mortise Lock, w/ Sutro Lever and Napa Escutcheon

Functions: MA641 - Dormitory lockout
Latch bolt by knob/lever inside and key outside. Inside knob/lever free.
Outside knob/lever rigid. Deadbolt by key outside or T-turn inside. Rotating inside knob/lever retracts both bolts.
Deadlocking latch. Inside knob/lever always free for immediate egress.

Product specifications

ANSI/BHMA: Certified ANSI/BHMA 156.13, Series 1000, Grade 1. UL: Listed 3-hour fire door, A label.

UL: Listed 3-hour fire door, A label.

Door thickness: Standard offering only accepts door thicknesses of 1 3⁄4" - 1 7⁄8".

Backset: 2 3⁄4" only.

Case: Cold formed steel, zinc dichromate plated, .090” thick. Optional lead wrapping available.

Hubs: Hardened steel.

Handing: Right hand is standard; left hand optional. Reversible in the field.

Cylinders: Conventional cylinder, drilled with 6-pin chambers, pinned in 5 comes standard. Pinning in 6
chambers available (at no cost) when specified. Optional 7-pin conventional and 6- or 7-pin
Small Format Interchangeable Core (SFIC) cylinders. Mortise and cylinder housings and plugs machined from solid brass.
Springs are phosphor bronze. Two nickel silver keys furnished standard. Hotel function cylinders available. 

Keyways: “G” keyway standard on conventional cylinders. “A” keyway standard on SFIC cylinders. 

Bind resistant trim: Heavy-duty through-bolted inserts clamp the trim on the door assuring proper alignment.
Provided with 8-32 screws for strength and thread sealant to prevent loosening.

Latch bolt: Two-piece stainless steel, mechanical anti-friction bolt. 3⁄4" projection.

Dead bolt: 1" throw, stainless steel with two 3⁄16" diameter hardened steel, free-turning, saw-resistant roller.

Faceplates: (armored front) 11⁄4" x 8" brass or stainless steel adjustable for door bevel. Reinforced by heavy gauge
steel with stabilizing ribs.

Strike: Brass or stainless steel. Meets ANSI AII5.1 for frame preparation. Strike is non-handed.