The 4531-35-202-313 from Adams Rite is a standard duty deadlatch with radius faceplate in dark bronze anodized. The 4531 series Standard Duty Deadlatch offers maximum flexibility of traffic control during and after business hours. A reverse turn of the key (while bolt is held full retracted) retains the bolt and thus allowing the door to be free swinging with two-way traffic for hospitals, banks, stores, and other buildings which require free entrance at certain times and exit-only at other times. The 4530 series deadlatches are perfectly designed to fit without alteration, the stile cutout for older MS1850 Deadlocks and 4250 Deadlatches of same backset. However, they do not provide the same maximum security level as the MS Deadlock and should not be considered an equivalent replacement.
Adams Rite 4531-35-202-313 Deadlatch Features
- Dark Bronze Anodized: Durable finish that enhances aesthetic appeal while providing corrosion resistance.
- Aluminum Construction: Lightweight yet sturdy material that ensures longevity and reliability.
- Reversible Handing: LH or RHR operation can be adjusted easily without special tools for versatile installation options.
- Cylinder Backset: 1-1/8″ backset for compatibility with various door types.
- Steel Case: Robust casing with corrosion-resistant plating measuring 1″ x 5-13/16″, ensuring durability under various conditions.
- Grade 1 Standard: Complies with high durability standards, making it suitable for commercial use.
- Standard Mortise Cylinder: Compatible with any standard mortise cylinder featuring MS dimensioned cam for easy replacement.
- Faceplate Dimensions: 1-1/4″ x 7-13/32″ faceplate for a sleek, professional look.
- Hardened Steel Latchbolt: Metal construction with internal hardened steel pins, providing enhanced security with a 1/2″ x 1″ x 1/2″ throw.
- Mortised Strike Size: 2-5/8″ strike size for smooth operation.
- All Metal Auxiliary Bolt: Prevents “loiding” or case-knife entry, enhancing security features.
- Radius Strike Shape: Designed for standard stiles lip length, ensuring compatibility with various door designs.
- Paired Doors Compatibility: Radius strike for opposite stile allows for seamless integration in double-door setups.
Adams Rite 4531-35-202-313 Detailed Specifications
| Faceplate Finish | Dark Bronze Anodized |
| Construction Material | Aluminum |
| Operation Handing | LH or RHR, Reversible |
| Cylinder Backset | 1-1/8″ |
| Case Dimensions | 1″ x 5-13/16″ (depth varies by backset) |
| Security Grade | Grade 1 Standard |
| Cylinder Compatibility | Standard mortise cylinder with MS dimensioned cam |
| Faceplate Size | 1-1/4″ x 7-13/32″ |
| Latchbolt Construction | Metal with hardened steel internal pins |
| Strike Size | 2-5/8″ Mortised (4902) |
| Auxiliary Bolt Material | All Metal |
| Strike Shape | Radius shape with standard stile lip length |
| Paired Door Compatibility | Radius strike for opposite stile |



















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