Adams Rite 4920AN-56-602-313 Heavy Duty Deadlatch (ANSI Size) with Flat Faceplate in Dark Bronze Anodized
- Dark Bronze Anodized Finish
- RH or LHR - handed operation is easily reversible using only a screwdriver
- Cylinder Backset: 2-3/4"
- Case is made of steel with corrosion-resistant plating that measures 7/8" x 5-13/16" x depth (depth varies by bracket)
- 1-3/4" minimum door thickness required

The 4920AN-56-602-313 from Adams Rite is a Heavy Duty Deadlatch (ANSI Size) with Flat Faceplate in Dark Bronze Anodized. The 4920AN-56-602-313 series Deadlatch offers precise traffic control and easy installation for wood or hollow metal doors prepared for hardware according to the specifications of the American National Standards Institute (ANSI). A key-controlled bolt hold-back feature allows a door to free-swing part of the day and exit-only when the bolt is free to latch. This allows a "locked" entrance to be used as an exit by customers or visitors already in the building. For its operation turn key or operate handle to retract spring-loaded latchbolt. To hold bolt retracted, push it in and secure by reverse turn of key. It is easily interchangeable, without stile modification with any MS1850A or MS1850S Deadlock of same backset and faceplate shape. It also replaces 4520 and 4720 ANSI Deadlatches.
Adams Rite 4920AN-56-602-313 Deadlatch Features
- Dark Bronze Anodized Finish: Provides a sleek and modern look while ensuring durability against the elements.
- RH or LHR Handed Operation: Easily reversible using only a screwdriver, allowing for flexible installation options.
- Cylinder Backset: 2-3/4" provides compatibility with a variety of door configurations.
- Robust Steel Construction: Case is made of steel with corrosion-resistant plating measuring 7/8" x 5-13/16" (depth varies by bracket) ensuring long-lasting performance.
- Minimum Door Thickness: Requires a 1-3/4" thickness for enhanced security and durability.
- Grade 1 Standard: Meets the highest standards for durability and performance.
- Standard Mortise Cylinder Compatibility: Uses any standard 1-5/32" mortise cylinder with MS dimensioned cam for ease of access.
- Armored Flat Faceplate: Measures 1-1/4" x 8" and can be adjusted in the field for right or left beveled edge doors, ensuring versatile installation.
- Solid Brass Latchbolt: Features a 5/8" x 1" x 5/8" throw for reliable engagement and security.
- Stainless Steel Auxiliary Latchpin: Prevents unauthorized entry methods like "the old credit card trick" or case-knife entry.
- 4506 Strike Included: Ensures a proper fit and function with included hardware.
- ANSI Preparation Specifications: The 4506-02 Strike furnished for flat jambs meets ANSI standards for the best installation experience.
Adams Rite 4920AN-56-602-313 Detailed Specifications
| Product Type | Heavy Duty Deadlatch |
| Finish | Dark Bronze Anodized |
| Handing | RH or LHR Reversible |
| Cylinder Backset | 2-3/4" |
| Case Dimensions | 7/8" x 5-13/16" (depth varies by bracket) |
| Minimum Door Thickness | 1-3/4" |
| Grade | Grade 1 Standard |
| Mortise Cylinder Compatibility | Standard 1-5/32" with MS dimensioned cam |
| Faceplate | 1-1/4" x 8" (adjustable for beveled edges) |
| Latchbolt | Solid Brass, 5/8" x 1" x 5/8" throw |
| Auxiliary Latchpin | Stainless Steel |
| Included Strike | 4506 Strike |
| ANSI Specification | 4506-02 for flat jambs |
Tools & Calculators


