Adams Rite – 4920AN – Heavy Duty Deadlatch (ANSI Size) – 2 3/4″ Backset – RH or LHR – 1″ Mortised – Flat/Standard Jamb – Satin Aluminum – Metal Door Adams Rite

ADR-4900-26-101-628
Item Number: 12112

4920AN Heavy Duty Deadlatch (ANSI Size) provides flexible traffic control and easy installation. The flexibility of traffic control and installation is offered by 4920AN Heavy Duty Deadlatches. A key-controlled bolt hold-back feature allows for two-way traffic for applications that require free entrance at certain times and exit-only at other times. This allows a “locked” entrance to be used as an exit by visitors already in the building. 1-3/4″ [44.5 mm] minimum door thickness required. Interchangeable, without stile modification, with any MS1850SN Deadlock of the same backset and faceplate shape. Replaces 4520 and discontinued 4720 ANSI Deadlatches. For hollow metal or wood doors prepared for hardware according to the specifications of the American National Standards Institute (ANSI). 

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Installation Instructions Download Here 

Specification Sheet Download Here

Operation:
Turn key or operate handle or paddle to retract spring-loaded latchbolt. To hold bolt retracted, push it in and secure by reverse turn of key. Lock accepts any standard 1″ [25.4 mm] length, 1-5/32″ [29.4 mm] diameter mortise cylinder with MS® cam such as the 4036 Mortise Cylinder or thumbturn such as the 4066 Thumbturn, available separately. Lock accepts cylinder from either or both sides.