Pricing Note
Free Shipping Promotion: Buy more items from the same series， product code beginning with LEC-， and you can get free shipping for an order of over $450.00 consisting of only LEC- series products.
Product Description
Manufacturer Part Number: 4550L-01-121
Lever Trim for MS Deadlock， Flat Lever with Return， LOCKED/OPEN Indicator， LH or LHR， Dark Bronze Paint
Lever is spring loaded to horizontal， relocks with upward motion. Indicator signals lock status. Can be installed in place of existing key cylinder or cylinder type thumbturn on inside of door. 4550 Deadlock Lever not compatible with 7/8" backset locks.
Lever Trim for MS Deadlock， Flat Lever with Return， LOCKED/OPEN Indicator， LH or LHR， Dark Bronze Paint
| Product Specs | |
| Vendor | Assa Abloy |
| Manufacturer | Adams Rite |
| SKU | 4550L-01-121 |
| UID | ADA1004550L01121 |
| Installation | Commercial |
| Origin | USA |
| Unit of Measure | Each |
| Base Material | VARIES |
| BAA Qualified | Yes |
| Limited Warranty | 5 Years |
| Finish | |
| Finish | |
| Finish Description | Dark Bronze Ritecoat Paint |
| Technical Specs | |
| Lever/Knob Design | Flat Lever w/Return |
| Rose/Escutcheon Design | Rectangle with Indicator |
| For Use With | MS1850S， MS1950， MS1837， etc. |
| Handing | LH |
| Door Thickness | 1-3/4" - 2" |
| Screws | Machine |
| Product Type | Aluminum Door Trim |
| Dimensions | |
| Product | |
| Product Length | 7.2344" |
| Product Width | 1.4063" |
| Product Height | 2.375" |
| Package | |
| Package Length | 8.375" |
| Package Width | 5" |
| Package Height | 2.5" |
| Package Volume | 104.69 |
| Package Qty | 1 |
| Ship Weight | 1 lbs. |
4550L Lever Handles
Easily unlocks an MS®Deadlock with approximately three pounds of downward force.
Lever is spring loaded to horizontal， relocks with upward motion. Indicator signals lock status. Can be installed in place of existing key cylinder or cylinder type thumbturn on inside of door. 4550 Deadlock Lever not compatible with 7/8" backset locks.
- Housing: Aluminum casting is 1-3/8" wide x 7-1/2" long x 1" deep.
- Lever: 3" long aluminum with end-return design offers comfortable grip to lock or unlock.
- Indicator: Words "LOCKED" in red letters or "OPEN" in black letters appear on white background when lock is thrown or retracted. Indicator is driven by lock bolt itself.
- Stop Clearance: Lever housing projects 11/16" forward of cylinder backset centerline. Depending on height of door stop and width of door/jamb gap， it may be necessary to modify the stop to clear the housing. For fin type stops， this is easily accomplished. Hollow stops may preclude use of lever.
- Compatible Deadlocks: Any MS® pivoted bolt deadlock including "Schoolhouse" versions can be fitted with the 4550 including MS1850S， MS1950， MS1837， etc. Derivative units such as 1870， 1870HM， or 1877 flushbolts (bolt into threshold) are also operable by the 4550 lever. Not compatible with MS+1890 Deadlock/Latch or with 7/8" backset locks.
- Options: Available in three finishes to match anodized aluminum finishes. Can be ordered for left or right hand door， but is easily reconfigured in the field to accommodate either door swing.
- Standard Package: Individually boxed with installation instructions， mounting screws， and drive pins for both single point and threshold bolt-equipped locks. Shipping weight: 1 lb.
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