Adams Rite MS-1891W4025-628 Lockset for 1-1/2" Backset in Clear Anodized
SKU
MS-1891W4025-628
Model No
MS-1891W4025-628
$207.23
Product Highlights
- Clear Anodized finish
- Cylinder Backset: 1-1/2"
- Case is made of stainless steel with corrosion-resistant plating that measures 1" x 7-3/8" x depth (depth varies by backset)
- Standard Stile Lip length
- Radius faceplate with weatherstrip measures 1" x 6-7/8"

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The MS-1891W4025-628 from Adams Rite is a lockset for 1-1/2" backset in clear 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-1891W4025-628 Key Features
- Clear Anodized finish: Provides a sleek appearance while ensuring durability and corrosion resistance.
- Cylinder Backset: 1-1/2": Optimizes compatibility with various door configurations.
- Stainless Steel Case: Constructed from robust stainless steel with corrosion-resistant plating, ensuring long-lasting performance.
- Standard Stile Lip Length: Compatible with most standard doors, aiding in easy installation.
- Radius Faceplate: Measures 1" x 6-7/8", includes weatherstrip for additional protection against elements.
- Handed Operation (LH or RHR): Flexibility to cater to both Left Hand and Right Hand Reverse installations.
- Cylinder Not Included: Allows customization to meet specific security needs by using any standard cylinder.
- Operable with Standard Cylinder: Works with any standard 1-5/32" diameter mortise cylinder with MS cam for ease of use.
- Grade 1 Strength: Ensures maximum security and reliability for commercial applications.
- Durable Latchbolt: Made of eight ply laminated stainless steel with a strong 5/8" x 1-3/8" design and 13/16" throw for enhanced locking performance.
- Armored Strike: Features a satin stainless steel trim plate with steel mounting plate and dust box for robust installation.
Adams Rite MS-1891W4025-628 Detailed Specifications
| Finish | Clear Anodized |
| Cylinder Backset | 1-1/2" |
| Case Material | Stainless Steel |
| Case Dimensions | 1" x 7-3/8" (depth varies by backset) |
| Lip Length | Standard Stile |
| Faceplate Dimensions | 1" x 6-7/8" with weatherstrip |
| Operation | Handed (LH or RHR) |
| Cylinder Compatibility | Standard 1-5/32" diameter mortise cylinder with MS cam |
| Strength Rating | Grade 1 |
| Latchbolt Dimensions | 5/8" x 1-3/8" with 13/16" throw |
| Strike Plate | Satin stainless steel with steel mounting plate and dust box |
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