Adams Rite 4920AN-55-602-313 Heavy Duty Deadlatch (ANSI Size) with Flat Faceplate in Dark Bronze Anodized
- Dark Bronze Anodized Finish
- LH or RHR - 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-55-602-313 from Adams Rite is a Heavy Duty Deadlatch (ANSI Size) with Flat Faceplate in Dark Bronze Anodized. The 4920AN-55-602-313 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-55-602-313 Key Features
- Dark Bronze Anodized Finish: Provides a sleek, modern look that resists wear and tear.
- LH or RHR Operation: Handed operation is easily reversible using only a screwdriver, allowing simple customization for any installation.
- Cylinder Backset: 2-3/4", designed to fit standard preparations for secure installations.
- Durable Steel Case: Made from steel with corrosion-resistant plating (7/8" x 5-13/16" dimensions) ensuring longevity.
- Minimum Door Thickness: Requires 1-3/4", compatible with most doors for versatile usage.
- Grade 1 Standard: Built to meet the highest security ratings for reliability and peace of mind.
- Standard Cylinder Compatibility: Uses any standard 1-5/32" mortise cylinder with MS dimensioned cam for convenience.
- Adjustable Armored Faceplate: Measures 1-1/4" x 8" and can be adjusted for right or left beveled edge doors enhancing flexibility.
- Solid Brass Latchbolt: Features a reliable 5/8" x 1" x 5/8" throw that ensures effective locking.
- Stainless Steel Auxiliary Latchpin: Prevents unauthorized entry methods like "the old credit card trick," increasing security.
- Includes 4506 Strike: Ensures proper installation and functionality directly from the box.
- ANSI Preparation Strike: The 4506-02 strike is furnished to ANSI specifications for flat jamb installations.
Adams Rite 4920AN-55-602-313 Specifications
| Feature | Details |
| Finish | Dark Bronze Anodized |
| Handed Operation | Left Hand or Right 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" |
| Security Grade | Grade 1 Standard |
| Mortise Cylinder Size | 1-5/32" with MS Dimensioned Cam |
| Faceplate Size | 1-1/4" x 8" (adjustable) |
| Latchbolt Material | Solid Brass |
| Latchbolt Throw | 5/8" x 1" x 5/8" |
| Auxiliary Latchpin Material | All Stainless Steel |
| Strike Included | 4506 Strike |
| ANSI Strike Specifications | 4506-02 furnished for flat jamb |
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