Adams Rite 4920AN-46-602-335 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: 1-1/2"
- 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-46-602-335 from Adams Rite is a Heavy Duty Deadlatch (ANSI Size) with Flat Faceplate in Black Anodized. The 4920AN-46-602-335 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 durable and attractive surface that resists corrosion.
- RH or LHR Handed Operation: Easily reversible design allows for flexible installation with just a screwdriver.
- Cylinder Backset: 1-1/2", ensuring compatibility with standard door preparations.
- Steel Case Construction: Corrosion-resistant plating ensures longevity, measuring 7/8" x 5-13/16" with depth varying by bracket.
- Minimum Door Thickness: Requires 1-3/4" door thickness for robust security.
- Grade 1 Standard: Exceeds rigorous performance standards for commercial hardware.
- Standard Mortise Cylinder Compatibility: Uses any standard 1-5/32" mortise cylinder with MS dimensioned cam for easy replacement.
- Adjustable Armored Flat Faceplate: Measures 1-1/4" x 8", adjustable for right or left beveled edge doors to ensure a perfect fit.
- Solid Brass Latchbolt: Features a 5/8" x 1" x 5/8" throw for reliable locking and security.
- Stainless Steel Auxiliary Latchpin: Prevents unauthorized entry methods, enhancing the security.
- Included Strike: Comes with a 4506 Strike for complete installation needs.
- ANSI Preparation Compliance: 4506-02 Strike is furnished to meet flat jamb preparation specifications.
Adams Rite 4920AN-46-602-335 Detailed Specifications
| Feature | Details |
| Finish | Black Anodized |
| Operation | RH or LHR Handed, Reversible |
| Cylinder Backset | 1-1/2" |
| Case Dimensions | 7/8" x 5-13/16" (depth varies) |
| Door Thickness | 1-3/4" minimum required |
| Grade | Grade 1 Standard |
| Cylinder Compatibility | Standard 1-5/32" mortise cylinder |
| Faceplate Size | 1-1/4" x 8" |
| Latchbolt | Solid brass, 5/8" x 1" x 5/8" throw |
| Auxiliary Latchpin | All stainless steel |
| Strike Included | 4506 Strike |
| ANSI Strike Compliance | 4506-02 Strike for flat jamb |
Tools & Calculators


