MS +1890 - Latch/Deadlatch With the development of new products Adams Rite is using their experience and innovation to produce quality products for existing and new markets. Application The Adams Rite MS® + 1890 provide both maximum security after hours and convenient traffic control management during the day. Specification Suitable for use on aluminium doors. Both lock and latch bolts retracted for unrestricted entry and exit during business hours Maximum security hookbolt for overnight locking. Non-handed. Handle-operated latch for exit-only traffic Finish Round Mortice Cylinders ~ MS®4043 Cylinder Guard Round Thumbturns ~4591 Paddle Handle ~ 4561 & 4565 Lever Handle & Thumbturn 4568 Lever Handle ~ 4505 Box Strikes Standards Overall Case Size: 195.9mm x 25.4mm x 40.6mm - 24.6mm Backset (31⁄32") 195.9mm x 25.4mm x 44.4mm - 28.6mm Backset (1 1⁄8") 195.9mm x 25.4mm x 57.1mm - 38.1mm Backset (1 1⁄2"). Case: Steel with corrosion-resistant plating. Backset: 24.6mm, 28.6mm, 38.1mm. Latch Bolt: 15.9mm x 15.9mm. Zinc Alloy with Delrin face. Handing reversible. Lock Bolt Throw: 11.1mm. Lock Bolt: 34.9mm x 15.9mm. 8 Ply Laminated Steel with patented Alumina-Ceramic Anti-Saw Core. Lock Bolt Throw: 20.6mm. Cylinder: Any standard 29.4mm (1 5⁄32") Mortice Cylinder or Thumbturn with MS® cam. Operation: 360º turn of key throws or retracts deadbolt. When unlocked, further 120º turn retracts latchbolt. Door Gap: Maximum 3mm. Forend: Steel, with aluminium faceplate. Downloads MS +1890 - Latch/Deadlatch (.pdf, 158 kB) Close Ordering Options 1890-250-5 1890 D.LOCK/LATCH WITH HOOKBOLT, 31/32 B.SET, LH 1890-350-5 1890 D.LOCK/LATCH WITH HOOKBOT, 1 1/8 B.SET, LH 1890-450-5 1890 D.LOCK/LATCH WITH HOOKBOLT, 1 1/2 B.SET, LH 24-1890-050-628 MS1890 F.PLATE FLAT, SAA 24-1890-150-628 MS1890 F.PLATE RDS, SAA Close 4730 - Standard Duty Deadlatch 4720ANSI - Round Cylinder Deadlatch 4710 - Round Cylinder Deadlatch