Adams Rite 4900-25-102-313 Heavy Duty Deadlatch with Standard Faceplate in Dark Bronze Anodized
SKU
4900-25-102-313
Model No
4900-25-102-313
$86.75
Product Highlights
- Dark Bronze Anodized Finish
- Aluminum construction
- LH or RHR - handed operation is easily reversible using only a screwdriver
- Cylinder Backset: 31/32"
- Case is made of steel with corrosion-resistant plating that measures 7/8" x 5-13/16" x depth (depth varies by bracket)

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The 4900-25-102-313 from Adams Rite is a heavy duty deadlatch with standard faceplate in dark bronze anodized. The 4900 series Deadlatch offers maximum flexibility of traffic control and easy installation. A reverse turn of the key (while bolt is held fully retracted) retains the bolt, allowing the door to be free swinging with two-way traffic, making it ideal for hospitals, banks, stores, and other buildings which require free entrance at certain times and exit-only at others. It is easily interchangeable without stile modification with any MS1850A or MS1850S Deadlock of the same backset and faceplate shape. It also retrofits to existing 4500 and 4700 Deadlatch preparations.
Adams Rite 4900-25-102-313 Key Features
- Dark Bronze Anodized Finish: Provides a sleek, durable surface that resists wear and corrosion, ensuring longevity.
- Aluminum Construction: Lightweight yet sturdy design reduces installation burdens while maintaining strength.
- Reversible Handing: LH or RHR operation can be quickly reversed with just a screwdriver, enhancing adaptability.
- Cylinder Backset: 31/32", compatible with a variety of door installations for versatile security options.
- Steel Case: Features corrosion-resistant plating measuring 7/8" x 5-13/16", offering enhanced durability.
- Minimum Door Thickness: Requires a 1-3/4" thickness, suitable for most commercial doors.
- Grade 1 Standard: Meets the highest performance standards for security and reliability.
- Standard Mortise Cylinder: Uses any 1-5/32" mortise cylinder with MS dimensioned cam for easy cylinder replacement.
- Faceplate Dimensions: Measures 1" x 6-7/8", fitting standard door preparation for seamless integration.
- Solid Brass Latchbolt: 5/8" x 1" x 5/8" throw for robust security and reliable operation.
- Mortised Strike Size: Comes with 4-5/8" strike size to accommodate various door setups.
- Stainless Steel Auxiliary Latchpin: Prevents unauthorized entry techniques, reinforcing security.
- Radius Strike Shape: Standard stiles lip length and compatibility with paired doors adds to its flexibility.
Adams Rite 4900-25-102-313 Detailed Specifications
| Finish | Dark Bronze Anodized |
| Material | Aluminum Construction |
| Operation | Reversible LH or RHR |
| Cylinder Backset | 31/32" |
| Case Dimensions | 7/8" x 5-13/16" |
| Minimum Door Thickness | 1-3/4" |
| Grade | Grade 1 Standard |
| Mortise Cylinder Size | 1-5/32" with MS cam |
| Faceplate Dimensions | 1" x 6-7/8" |
| Latchbolt Throw | 5/8" x 1" x 5/8" |
| Strike Size | 4-5/8" mortised |
| Auxiliary Latchpin | Stainless Steel |
| Strike Shape | Radius |
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