
Details
Features
| Backset | 31/32", 1-1/8", or 1-1/2" |
| Case | Steel with corrosion-resistant plating. Measures 7/8" x 5-13/16" x depth [22.2 mm x 147.6 mm x depth] |
| 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 āloidingā 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. |
| Standard Package | Individually boxed with strike plate, flat and radius faceplates, and mounting screws. Cylinder, paddle, handle available separately. |
| Handing | All models sold configured left or right handed and are field reversible |
Related Products: When purchasing this product, please consider the following related products which are available separately:
| Accessories | Cylinders | Trim | Electric Strikes |
| 4104 Mounting Bridge, 91-0965 Mounting Kit for the radiused door, 91-0966 Mounting Kit for the beveled door, 26-00090XX Tube Spacer, 4901 & 4902 Deadlatch Strikes | Standard 1" length, 1-5/32ā diameter mortise cylinder with MSĀ® cam such as 4036 Mortise Cylinder, 4066 Thumbturn | 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
Lock accepts any standard 1" [25.4 mm] length, 1-5/32" [29.4 mm] diameter mortise cylinder with MS®cam Cylinder Sold Separately
For hollow metal or wood doors prepared for hardware according to the specifications of the American National Standards Institute (ANSI), the MS1850SN Series MSĀ® Deadlock provides maximum security and ease of installation.
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 Lock accepts cylinder from either or both sides.