Description
The Adams Rite 4920AN is a heavy-duty mortise deadlatch designed for hollow metal and wood doors meeting ANSI standards. Its key-controlled bolt hold-back feature enables flexible door control: swing freely during business hours, then lock down when needed. Perfect for commercial entrances requiring precise traffic management and secure after-hours access control.
This deadlatch fits standard 1-5/32 inch mortise cylinders with MS cam and installs without door modification. Interchangeable with MS1850SN deadlocks of the same faceplate shape and backset. As an authorized Adams Rite dealer, E.D. Locks provides expert guidance on backset selection, finish options, and cylinder compatibility. Contact our sales team at sales@edlocks.com or 1-877-207-6067 for personalized hardware specification support.
Specifications
- Brand: Adams Rite
- Model: 4920AN-45-000-628
- Type: Heavy Duty Mortise Deadlatch
- Case: 7/8" x 5-13/16", steel with corrosion-resistant plating
- Latchbolt: 5/8" x 1" x 5/8" throw, solid brass
- Faceplate: 1-1/4" x 8" armored flat, adjustable for beveled doors
- Cylinder Backset: 1-1/2" or 2-3/4"
- Cylinder: Standard mortise cylinder, MS cam, 1-5/32" diameter
- Auxiliary Latchpin: Stainless steel, prevents loiding
- Strike: 4506-02 stainless steel, US32D satin finish
- Handing: Reversible with screwdriver
- Features: Key-controlled bolt hold-back, replaces 4520 and 4720
