Adams Rite 4920AN-56-602-335 Heavy Duty Deadlatch (ANSI Size) with Flat Faceplate in Black Anodized
- Black 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-56-602-335 from Adams Rite is a Heavy Duty Deadlatch (ANSI Size) with Flat Faceplate in Black Anodized. The 4920AN-56-602-335 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.
Features
- Black Anodized Finish: Provides a sleek and durable surface ideal for various environments.
- Handed Operation: RH or LHR configuration is easily reversible using only a screwdriver for added convenience.
- Cylinder Backset: 2-3/4" ensures compatibility with standard door preparations.
- Steel Case: Corrosion-resistant plating measures 7/8" x 5-13/16" for strength and longevity (depth varies by bracket).
- Minimum Door Thickness: Requires 1-3/4" for optimal performance.
- Grade 1 Standard: Meets stringent durability and security criteria for commercial use.
- Standard Mortise Cylinder: Utilizes any standard 1-5/32" mortise cylinder with MS dimensioned cam.
- Adjustable Armored Faceplate: Measures 1-1/4" x 8" and can be adjusted for right or left beveled edge doors in the field.
- Solid Brass Latchbolt: Features a 5/8" x 1" x 5/8" throw for added security.
- Stainless Steel Auxiliary Latchpin: Prevents unauthorized entry using methods such as the "credit card trick".
- Included Strike: Comes with 4506 Strike for easy installation.
- ANSI Preparation: 4506-02 Strike furnished to meet ANSI specifications for flat jamb.
Adams Rite 4920AN-56-602-335 Detailed Specifications
| Feature | Details |
| Product Type | Heavy Duty Deadlatch |
| Finish | Black Anodized |
| Handing | Right-Hand or Left-Hand Reversible |
| Cylinder Backset | 2-3/4" |
| Case Material | Steel with Corrosion-Resistant Plating |
| Case Dimensions | 7/8" x 5-13/16" (depth varies by bracket) |
| Minimum Door Thickness | 1-3/4" |
| Compliance Standard | Grade 1 |
| Mortise Cylinder | 1-5/32" with MS Dimensioned Cam |
| Faceplate Dimensions | 1-1/4" x 8" (adjustable) |
| Latchbolt Type | Solid Brass with 5/8" x 1" x 5/8" Throw |
| Auxiliary Latchpin | Stainless Steel |
| Included Strike | 4506 Strike |
| ANSI Strike | 4506-02 for Flat Jamb |
Tools & Calculators


