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Home  |  Manufacturer  |  Adams Rite  |  Swinging Doors
 

Adams Rite 4550 MS Deadbolt Lever for MS1850A & MS1850S

Adams Rite 4550 MS Deadbolt Lever for MS1850A & MS1850S

MPN: 4550X-00-000
Price: $120.40
List Price: $172.00 (Savings: $51.60)

 Please select options:
Handing:
Finish:
Door Thickness:
Quantity:



(product and finish may vary from image)

Detailed Description
Specifications

Adams Rite 4550 MS Deadbolt Lever

Easy unlocking of any MS deadbolt by approximately 3 lbs. downward force on a 3" lever. 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 thumb-turn on inside of door.


Housing:
Aluminum casting is 1-3/8 wide x 7-1/2 long x 1 deep. Attached to door stile by four #10 screws.

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.

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.

Compatible Deadbolts:
 Any MS pivoted bolt deadbolt including "Schoolhouse" versions can be fitted with the 4550: 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 latchlock or with 7/8 backset locks.

Operation:
Turn lever downward 90o to unlock. When released, lever returns to horizontal. Turn lever upward 90 degrees to re-lock. Key operation from outside is not affected. Clutching action prevents damage to internal components.


Handing: 
Can be ordered for left or right hand door, but is field reversable in the field.

Options:
Available in three Ritecoat finishes to match anodized aluminum finishes.


Door Thickness:
Available in two door thicknesses.  1 3/4" to 2"   and   2-1/8" to 2-1/2"


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