Description
The Adams Rite 4900 Series Mortise Deadlatch offers flexible traffic control for commercial and institutional doors. This mortise lock allows two-way traffic during specified times and exit-only operation at others by using reverse key turn to retain the bolt in retracted position. Ideal for facilities needing switchable access patterns.
Compatible with MS1850A and MS1850S deadbolts of matching backset and faceplate shape; retrofits existing 4500/4700 preparations. Includes flat and radius faceplates, strike, and mounting screws. As an authorized Adams Rite dealer, E.D. Locks provides expert selection and support at sales@edlocks.com or 1-877-207-6067 to ensure correct specification for your door preparation and keying needs.
Specifications
- Cylinder Backset: 31/32", 1-1/8", or 1-1/2"
- Case: Steel with corrosion-resistant plating, 7/8" x 5-13/16"
- Latchbolt: 5/8" x 1" x 5/8" throw, solid brass, reversible
- Auxiliary Latchpin: Stainless steel, prevents loiding and case-knife entry
- Faceplates: 1" x 6-7/8", flat and radius supplied, field-adjustable for beveled doors
- Includes 4902 strike for flush jamb; 4901 available for retrofit