Adams Rite MS-1891-3176-628 Deadlock/Deadlatch with Center Hung 4" Jamb Lip length and 1-1/8" Backset in Clear
SKU
MS-1891-3176-628
Model No
MS-1891-3176-628
$177.60
Product Highlights
- Clear Anodized finish
- Cylinder Backset: 1-1/8"
- Case is made of stainless steel with corrosion-resistant plating that measures 1" x 7-3/8" x depth (depth varies by backset)
- Center Hung 4" Jamb Lip length
- Radius faceplate measures 1" x 6-7/8"

Speak to an expert
The MS-1891-3176-628 from Adams Rite is a Deadlock/Deadlatch with Center Hung 4" Jamb Lip length and 1-1/8" Backset in Clear. This advanced locking mechanism provides maximum security for after-hours use and also facilitates traffic control during business hours. The unique design allows for a comprehensive locking action with a 360-degree key or thumb turn, making it efficient and user-friendly. The deadlock's compatibility with standard mortise cylinders enhances its versatility and ease of installation.
Adams Rite MS-1891-3176-628 Camera Features
- Clear Anodized finish: Ensures a sleek appearance while providing added durability against wear and tear.
- Cylinder Backset: 1-1/8" to match various door configurations, enhancing installation flexibility.
- Stainless Steel Construction: Measures 1" x 7-3/8" with corrosion-resistant plating for long-lasting performance in challenging environments.
- Center Hung 4" Jamb Lip Length: Designed for seamless operation on standard doors, ensuring reliable performance.
- Radius Faceplate: Measures 1" x 6-7/8" to fit standard cutouts, maintaining aesthetic integrity.
- Handed Operation: Available in RH or LHR options, catering to different door handing needs.
- Cylinder Not Included: Provides users with the freedom to choose compatible mortise cylinders that meet their specific security needs.
- Compatibility: Works with any standard 1-5/32" diameter mortise cylinder with MS cam for easy replacement and setup.
- Grade 1 Strength: Meets stringent commercial security testing standards, ensuring high-quality and reliable protection.
- Latchbolt Construction: Eight ply laminated stainless steel measuring 5/8" x 1-3/8" with a 13/16" throw for robust operation.
- Armored Strike Plate: Made of satin stainless steel and includes a steel mounting plate and dust box for enhanced durability.
Adams Rite MS-1891-3176-628 Detailed Specifications
| Feature | Details |
| Finish | Clear Anodized |
| Cylinder Backset | 1-1/8" |
| Case Dimensions | 1" x 7-3/8" (depth varies by backset) |
| Jamb Lip Length | Center Hung 4" |
| Faceplate Dimensions | 1" x 6-7/8" |
| Handed Operation | RH or LHR |
| Cylinder | Not Included |
| Compatibility | Any standard 1-5/32" diameter mortise cylinder with MS cam |
| Strength Rating | Grade 1 |
| Latchbolt Construction | Eight ply laminated stainless steel, 5/8" x 1-3/8" with 13/16" throw |
| Strike Plate | Satin stainless steel trim with steel mounting plate and dust box |
There are no related videos.
Write Your Own Review
Manuals & Specifications
Tools & Calculators


