Description
ADR-4900-26-101-628
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).
More Details Below
Backset
2 3/4″ [24.6 mm]
Case
Steel with corrosion-resistant plating. Measures 7/8″ x 5-13/16″ x depth [22.2mm x 147.6 mm x depth]. Depth varies by backset.
Bolt Holdback
While bolt is held fully retracted, a reverse turn of the key retains the bolt, allowing the door to be free swinging.
Latchbolt
Solid brass. Handing is easily reversible without special tools. Measures 5/8″ x 1″ x 5/8″ [15.9mm x 25.4 mm x 15.9 mm] throw.
Auxiliary Linchpin
Stainless steel. Deadlocks latchbolt to prevent “loiding” or case-knife entry.
Faceplate
Measures 1-1/4″ x 8″ [31.8 mm x 203.2 mm] armored flat faceplate can also be adjusted in the field for right or left beveled edge doors.
Strike
4506-02 Strike furnished to ANSI preparation specifications for flat jamb. Stainless steel, US32D Satin finish (630).
Standard Package
Individually boxed with strike plate, faceplate, and mounting screws. Cylinder, paddle, handle available separately.
Related Products:
When purchasing this product, please consider the following related products which are available separately:
Accessories
Cylinders
Trim
Electric Strikes
4506-02 Deadlatch Strikes
Standard 1″ length, 1-5/32” diameter mortise cylinder with MS® cam such as 4036 Mortise Cylinder, 4066 Thumbturnn
3080, 3080E Series Entry Trim, 3090-150, 3090P/3090C, A100-3090 Series Keyless Entry, 4560, 4565 Deadlatch Handles, 4568, 4569 Eurostyle Deadlatch Handles, 4590, 4591 Paddles, 4600 Deadlatch Handle
7100/7101, 7110/7111, 7130/7131, 7140 Electric Strikes, 7400/7401, 7410/7411, 7430/7431, 7440 Electric Strikes
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.
