Description
The
MS1890 Series MS Deadlock/Deadlatch
provides a maximum-security deadlock for after hour and traffic control with deadlatch convenience during business hours.
Maximum security MS+ deadlock after hours, plus the convenience of traffic control management during the business day. Typical installation is a bank or store requiring three modes of door control:
1. Both lock and latch bolts retracted for unrestricted entry and exit during business hours
2. Handle-operated latch for exit-only traffic just after closing
3. Maximum security MS hook bolt for overnight lockup. When using trim (available separately) to activate, handle or paddle operates latch bolt only.
More Details Below
Backset
1-1/2″
Case
Measures 1″ x 7-3/8″ x depth [25.4 mm x 187.3 mm x depth], depth varies by backset (see table on catalog page). Steel with corrosion-resistant plating.
Bolt: Deadlock bolt:
5/8″ x 1-3/8″ [15.9 mm x 34.9 mm] with 13/16″ [20.6 mm] throw. Eight-ply laminated stainless steel. Centerply has alumina-ceramic core to defeat any hacksaw attack, including rod-type “super” hacksaws, while hook shape repels pry bar attempts to “spread” the door from its jamb or lift it off its track.
Latchbolt
Measures 5/8″ x 5/8″ [15.9 mm x 15.9 mm] with 7/16″ [11.1 mm] throw. Zinc alloy with Delrin face for smooth, quiet action. Handing easily reversible. Bolt can be held fully retracted to allow door to be free swinging (see illustration on back of catalog page).
Strike
Armored strike with satin stainless steel trimplate with steel mounting plate and dust box. Flat strike furnished. Also available for pairs of doors in radius shape, or flat with square corners for ANSI hollow metal jambs. Flat strikes also available with longer lip. MS+1890 Deadlock/Latchcannot be used with electric strikes.
Standard Package
Individually boxed with strike plate, flat and radius faceplates, and mounting screws. Cylinder, paddle, handle available separately
Cylinder Sold Separately
Related Products:
When purchasing this product, please consider the following related products which are available separately:
Accessories
Cylinders
Trim
Trim strikes including 4505 armored strike
4089 Exit Indicator
Standard 1″ length, 1-5/32” diameter mortise cylinder with MS® cam such as 4036 Mortise Cylinder, 4066 Thumbturn; MS4043 Cylinder Guard
4560, 4565 Deadlatch Handles, 4568, 4569 Eurostyle Deadlatch Handles, 4590, 4591 Deadlatch Paddles
Installation Instructions 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
Operation:
Turnkey or operate handle or paddle to retract spring-loaded latch bolt. To hold bolt retracted, push it in and secure by reverse turn of the key. Lock accepts any standard 1″ [25.4 mm] length, 1-5/32″ [29.4 mm] diameter mortise cylinder with MS® cams such as the 4036 Mortise Cylinder or thumb turn such as the 4066 Thumbturn, available separately. Lock accepts cylinder from either or both sides.
