The 4550L-01-130 from Adams Rite is a MS Deadlock Lever Left Handed for MS1850A and MS1850S in Clear Anodized. This lever lock is designed for durability and ease of use, featuring a self-driven lock status indicator and a spring-loaded mechanism for seamless operation. Ideal for various door thicknesses, it combines functionality with a sleek design, making it a reliable choice for secure locking solutions.
Adams Rite 4550L-01-130 Features
- Clear Aluminum Finish: Enhances durability while providing a modern aesthetic for your door hardware.
- Self-Driven Indicator: Lock status is indicated by the lock bolt, ensuring you always know whether the door is locked or unlocked.
- Handed Operation: Specifically designed for left-handed operation, ensuring optimal usability.
- Reconfigurable Handing: Easily adjust the LH or LHR handing operation to accommodate different door swings, providing versatility.
- Compact Size: The aluminum casting housing measures approximately 1-3/8″ wide x 7-1/2″ long x 1″ deep, fitting in tight spaces.
- Wide Compatibility: Compatible with MS1837, MS1850S, MS1850SN, MS1861, MS1950 Deadlocks, and 1870 Series cylinder-operated Flushbolts, making it a versatile choice.
- Door Thickness Compatibility: Designed for door thicknesses ranging from 1-3/4″ to 2″, ensuring a secure fit.
- Clear Lock Status Indicators: The words “LOCKED” in red letters or “OPEN” in black letters appear on a white background, providing clear visibility.
- Comfortable Grip: The 3″ long aluminum lever with an end-return design offers a comfortable grip for easy locking and unlocking.
- Projecting Lever Housing: Lever housing projects 11/16″ forward of the cylinder backset centerline, enhancing accessibility.
Adams Rite 4550L-01-130 Detailed Specifications
| Feature | Details |
| Product Type | MS Deadlock Lever |
| Handing | Left Handed |
| Finish | Clear Anodized Aluminum |
| Compatible Models | MS1850A, MS1850S, MS1837, MS1850SN, MS1861, MS1950 Deadlocks, 1870 Series Flushbolts |
| Dimensions | 1-3/8″ W x 7-1/2″ L x 1″ D |
| Door Thickness | 1-3/4″ to 2″ |
| Lever Length | 3″ with end-return design |
| Indicator Color | Red “LOCKED”, Black “OPEN” |
| Lever Projection | 11/16″ forward of cylinder backset centerline |



















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