Adams Rite MS1950 - Series MS® Deadlock - Flat Faceplate - 6-7/8" body - Stainless Steel Straight Bolt

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3.00 LBS
Width x Height x Depth:
2.00 (in)


3.00 (in)


9.00 (in)

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Adams Rite MS1950 - Series MS® Deadlock - Flat Faceplate

The stainless steel Adams Rite MS1950 Series MS® Deadlock utilizes a laminated stainless steel bolt, to provide maximum security for a single leaf narrow stile aluminum door.

Deadlock is activated by a pivot mechanism.


A huge bolt of laminated stainless steel, nearly 3" long, activated by an uncomplicated pivot mechanism, has made the basic Adams Rite MS1950 MS® Deadlock the standard of the narrow stile aluminum door industry. The length of this bolt provides maximum security for a single leaf door, even a very tall and flexible one or an installation where the gap between the door and jamb is greater than it should be.


360° turn of key or thumbturn projects or retracts the counterbalanced bolt. Key can be removed only when bolt is in a positively locked or unlocked position. 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 on either or both sides


Cylinder Backset

Choose from three different backset sizes when purchasing the Adams Rite MS1950 deadlock: 31/32" [24.6 mm], 1-1/8" [28.6 mm], or 1-1/2" [38.1 mm] only.


Measures 1" x 6" x depth [25.4 mm x 152.4 mm x depth], depth varies by backset (see table below). Fully stainless steel case and internal components.


Eight-ply laminated stainless steel. Center ply has alumina-ceramic core to defeat any hacksaw attack, including rod-type “super” hacksaws.

Standard straight bolt measures 5/8" x 1-3/8" x 2-7/8" [15.9 mm x 34.9 mm x 73.0 mm] with 1-3/8" [34.9 mm] throw. 


Measures 1" x 6-7/8" [25.4 mm x 174.6 mm].


See below for dimensions of strike slot which can be cut in metal jamb. Trim plate, box strike, and armored strike are available separately.


Click here for our Definitive List of Door Hardware Finishes

Standard Package

Individually boxed with machine screws for mounting. Cylinders and/ or thumbturns available separately.

Shipping weight

1-1/2 lbs. [0.68 kg]


“SCHOOLHOUSE” version of the Adams Rite MS1950 is also available and is modified so that operation from inside is “unlock only”. This lock is handed and must be specified LH or RH. Specify Series SCH1950. Same faceplate and backset options as Series MS1950.

Adams Rite MS1950 Deadlock Backset Measurement

Adams Rite MS1950 Deadlock Dimensions

Adams Rite MS1950 Deadlock Stile Preparation



Click here to download Adams Rite MS1950 Catalog
Click here to download Adams Rite MS1950 Installation Instructions
Click here to download Adams Rite Price List