4550 MS Deadlock Lever, Dark Bronze Anodized

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Adams Rite 4550R-01-121 4550 MS Deadlock Lever, Dark Bronze Anodized

Item #: 4550R-01-121 by Adams Rite

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  • MS Deadlock Lever
  • Housing: Aluminum casting is 1-3/8” wide x 7-1/2” long x 1” deep.
  • Easily Unlocks and MS Deadlock with Three Pounds of Downward Force
  • Lever: 3” long aluminum with end-return design offers comfortable grip to lock or unlock.
  • Spring-Loaded Lever Locks and Reloads with Upward Motion
  • 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.
  • Indicator Signals Lock Status
  • 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.
  • Warranted Free From Defects In Workmanship And Materials Under Normal Use And Service
  • 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.

Finish

Dark Bronze Anodized

Function

Deadlock Lever

Design

End-Return Handle

Handing

Reversible

Thickness

1-3/4" - 2"

For Use With

MS1850S, MS1950

Hand

Right Hand/Right Hand Reverse

Color

Dark Bronze Ritecoat Paint

Color Code

121

Origin

USA

BAA Qualified

Yes

Package Height

2.5"

Package Length

8.375"

Package Volume

104.6875

Package Width

5"

Lever/Knob Design

Flat Lever w/Return

Package Qty

1

Product Height

7-15/64 Inch

Product Length

7.2344"

Product Width

1-13/32 Inch

Rose/Escutcheon Design

Rectangle with Indicator

Screws

Machine

Base Material

VARIES

Finish Description

Dark Bronze Anodized

Product Type

Lock Part/Accessory

Door Thickness

1-3/4" to 2"

ADA Compliant

No

Corner Type

Square

Finish Family

Dark Bronze

Included Components

Mounting Hardware and Drive Pins for Both Single Point and Threshold Bolt-Equipped Locks

Spring Type

Lever Return

Product Material

Cast Aluminum (Housing); Aluminum (Lever)

Lever Size

3-5/32 Inch

Function Family

Part/Component

Product Projection

2-15/32 Inch

Indicator Configuration

"Locked" in Red Letters/"Open" in Green Letters

Features

Rotate Lever Downward 90° to Unlock. When Released, Lever Returns to Horizontal. Rotate Lever Upward 90° to Relock; Key Operation From Outside is Not Affected. Clutching Action Prevents Damage to Internal Components

Manufacturer Parent

Assa Abloy

Escutcheon Thickness

1-1/16 Inch

Escutcheon Size

1-13/32" x 7-15/64"

Sub-Series

PA_Locks_Parts_adams_rite_30

4550MS® Deadlock Lever

The 4550 MS® Deadlock Lever easily unlocks an MS® Deadlock with approximately three pounds of downward force. The spring-loaded lever relocks with an upward motion.

Function:
  • Easy unlocking of most MS Deadlocks by approximately 3 lbs (1.36 kg) downward force on a 3" (76.2 mm) 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 thumbturn on inside of door. 4550 Deadlock Lever not compatible with 7/8" (22.2 mm) backset locks.
Operation:
  • Rotate lever downward 90° to unlock. When released, lever returns to horizontal. Rotate lever upward 90° to relock. Key operation from outside is not affected. Clutching action prevents damage to internal components.
Options:
  • Ordered for left or right hand door, but is easily reconfigured in the field to accommodate either door swing.
Specifications: Housing:
  • Aluminum casting is 1 3/8" wide x 7 1/2" long x 1" deep (34.9 mm x 190.5 mm x 25.4 mm)
Lever:
  • 3" (76.2 mm) long aluminum with end-return design offers comfortable grip to lock or unlock
Indicator:
  • Words "LOCKED" in red letters or "OPEN" in green letters appear on white background when bolt is thrown or retracted respectively. Indicator is driven by lock bolt itself.
Stop Clearance:
  • Lever housing projects 11/16" (17.5 mm) 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. Please contact factory for more detailed information.
Compatible Locking Devices:
  • Any MS® pivoted bolt deadlock including“Schoolhouse” versions can be fitted with the 4550 including MS1850S, MS1950. Derivative units such as 1870 or 1870HM, flushbolts that bolt into threshold are also operable by the 4550 lever. Not compatible with MS+1890 Deadlock/Deadlatch or 2190 Interconnected Deadlock/Deadlatch or with 7/8" (22.2 mm) backset locks.
Standard Package:
  • Individually boxed with mounting hardware and drive pins for both single point and threshold bolt-equipped locks
Compatible Products:
  • MS1850S, MS1850S-050, MS1850SN, MS1850SN-050, MS1950, MS1950-050 Series Deadlocks (not compatible with 7/8" backset), 1870, 1870HM Series Cylinder-Operated Flushbolts
Finishes:
  • 121 - To Match Dark Bronze Anodized
  • 130 - To Match 628 Clear Anodized
  • 119 - To Match 335 Black Anodized