The MS-1891W2026-313 from Adams Rite is a lockset for 31/32″ backset in dark bronze anodized. The MS+1891 series Deadlock/Deadlatch provides a maximum security deadlock for after hour and traffic control convenience during business hours. It operates in such a way that the 360 degree turn of key or thumb turn throws or retracts the hook-shaped deadlock and then 120 degree further turn retracts latch bolt as well. Cylinder may accept any standard 1-5/32″ diameter mortise cylinder or thumb turn from either or both sides. Handle retracts spring-loaded latchbolt only.
Adams Rite MS-1891W2026-313 Lockset Features
- Dark Bronze Anodized finish: Provides a sleek and durable exterior that resists corrosion and wear, enhancing longevity.
- Cylinder Backset: 31/32″: Specifically designed for easy installation in standard doors, ensuring a perfect fit.
- Stainless Steel Case: Made with corrosion-resistant plating measuring 1″ x 7-3/8″ (depth varies by backset), ensuring strength and durability.
- Standard Stile Lip length: Fits most standard door styles, simplifying replacement or installation.
- Radius Faceplate with Weatherstrip: Measures 1″ x 6-7/8″, providing a clean look while aiding in weather resistance.
- Handed Operation: Available in RH or LHR (Right Hand or Left Hand Reverse door), accommodating various door configurations.
- Cylinder Not Included: Allows for customization as it accepts any standard 1-5/32″ diameter mortise cylinder with MS cam.
- Grade 1 Strength: Offers superior strength and security, meeting the highest industry standards.
- Eight Ply Laminated Latchbolt: Measures 5/8″ x 1-3/8″ with a 13/16″ throw, ensuring reliable operation and strength.
- Armored Strike: Features satin stainless steel trim plate, steel mounting plate, and dust box, enhancing security against forced entry.
Adams Rite MS-1891W2026-313 Lockset Specifications
| Feature | Detail |
| Finish | Dark Bronze Anodized |
| Cylinder Backset | 31/32″ |
| Case Material | Stainless Steel with Corrosion-Resistant Plating |
| Case Dimensions | 1″ x 7-3/8″ (depth varies by backset) |
| Faceplate Dimensions | 1″ x 6-7/8″ |
| Operation Type | Handed (RH or LHR) |
| Cylinder Compatibility | Standard 1-5/32″ Diameter Mortise Cylinder |
| Strength Rating | Grade 1 |
| Latchbolt Composition | Eight Ply Laminated Stainless Steel |
| Latchbolt Dimensions | 5/8″ x 1-3/8″ with 13/16″ throw |
| Strike Type | Armored with Satin Stainless Steel Trim Plate |



















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