Adams Rite 4900 Heavy Duty Deadlatch

4900 Heavy Duty Deadlatch provides flexible traffic control and easy installation.

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Description

4900 Heavy Duty Deadlatch provides flexible traffic control and easy installation.

Function:

Flexibility of traffic control and easy installation is offered by 4900 Series Heavy Duty Deadlatches. A key-controlled bolt hold-back feature allows for two-way traffic for applications which 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 MS1850S deadbolt of same backset and faceplate shape. Also retrofits to existing 4510 and discontinued 4700 Deadlatch preparations.

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 4066Thumbturn, available separately. Lock accepts cylinder from either or both sides.

Features:

Cylinder Backset: 31/32″ [24.6 mm], 1-1/8″ [28.6mm], or 1-1/2″ 38.1 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. Screw-fastened tube spacer brackets allow for cleaner removal when tab mounting.

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″ [15.9 mm x 25.4 mm x 15.9 mm] throw.

Auxiliary Linchpin: Stainless steel. Deadlocks latch bolt to prevent “loiding” or case-knife entry.

Faceplate: Measures 1″ x 6-7/8″ [25.4 mm x 174.6 mm]. Both flat and radius faceplates are supplied. Flat faceplates can also be adjusted in thefield for right or left beveled edge doors.

Strike: Standard strike furnished is 4902 for flat jamb where door closes flush or nearly flush. Specify 4901 for retrofit installations. Also available: radius strike for opposite stile in paired doors and long lip strikes for center-hung doors.

Standard Package: Individually boxed with strike plate, flat and radius faceplates, and mounting screws. Cylinder, paddle, handle available separately.

Shipping Weight: 1-1/4 lbs [0.57 kg].

Additional information

Weight 1.25 lbs
Dimensions 8.875 × 3.25 × 2.125 in
FACE

Flat

BACKSET

1-1/2”, 1-1/8”, 31/32”

HANDING

LHR / RH, RHR / LH

FINISH

,

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