Adams Rite MS1851S-X2X - Series Short Throw Deadlock, Radius Faceplate, 6-7/8" body, any Handing

(You save $18.04 )
(No reviews yet) Write a Review
3.00 LBS
Width x Height x Depth:
2.00 (in)


3.00 (in)


9.00 (in)

Don't see the quantity, finish, or function you are looking for? We can mix, match and "BUILD" the item option set you are looking for - Just call us at 860-537-1328 and our sales staff will assist !

Calculated at Checkout

Adams Rite MS1851S-X2X Series Short Throw Deadlock, Radius Faceplate, any Handing

The MS1851S-X2X Series MS® Deadlock utilizes a laminated stainless steel short bolt, activated by a pivot mechanism to secure a single leaf narrow stile aluminum door.


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 from either or both sides.



31/32" [24.6 mm], 1-1/8" [28.6 mm], and 1-1/2" [38.1 mm]. Not available with 7/8" backset.


Measures 1" x 6" x depth [25.4 mm x 152.4 mm x depth], depth varies by backset (see table below). Steel with corrosion-resistant plating.


The Faceplate of the Adams Rite MS1851S - X2X 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.


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

Short bolt measures 5/8" x 1-3/8" x 2-3/8" [15.9 mm x 34.9 mm x 60.3 mm] with 13/16" [20.6 mm] throw.


Click here for our Definitive List of Door Hardware Finishes

Standard Package

Individually boxed with faceplate and mounting screws. Strike plates, cylinders and/or thumbturns available separately.

Shipping Weight

1-1/2 lbs [0.68 kg].

Adams Rite MS1850S-X5X Deadlock Backset Measurement | Adams Rite MS1850S Deadlock Backset Measurement


Click here to download Adams Rite MS1851S-X2X Catalog
Click here to download Adams Rite MS1851S-X2X Installation Instruction
Click here to download Adams Rite Price List