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Technical Data Sheet
PartsTable / COMPONENT / L-9-2559
L-9-2559 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The KEY,SOCKET HEAD SCREW is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, overall_length: 4.063 INCHES NOMINAL IN, long_arm_length: 3.750 INCHES NOMINAL IN, short_arm_length: 1.375 INCHES NOMINAL IN, style_designator: L-HANDLE, features_provided: SHORT SERIES. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-00-189-2987, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
L-9-2559
NSN: 5120-00-189-2987
FSC: 5120
CAGE: 61452 — NGK METALS CORPORATION DBA N G K BERYLCO (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
overall_length4.063 INCHES NOMINAL IN
long_arm_length3.750 INCHES NOMINAL IN
short_arm_length1.375 INCHES NOMINAL IN
style_designatorL-HANDLE
features_providedSHORT SERIES
wrenching_surface_size0.313 INCHES NOMINAL BOTH ENDS IN
wrenching_surface_shapeHEXAGON BOTH ENDS EXTERNAL
NSN5120-00-189-2987
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available KEY,SOCKET HEAD SCREW TITLE COMPONENT PN L-9-2559 MFR KEY,SOCKET HEAD SCREW
KEY FEATURES
•
LONG ARM LENGTH: 3.750 INCHES NOMINAL IN
•
SHORT ARM LENGTH: 1.375 INCHES NOMINAL IN
•
WRENCHING SURFACE SIZE: 0.313 INCHES NOMINAL BOTH ENDS IN
•
WRENCHING SURFACE SHAPE: HEXAGON BOTH ENDS EXTERNAL
•
MATERIAL: COPPER ALLOY OVERALL
•
STYLE DESIGNATOR: L-HANDLE
•
FEATURES PROVIDED: SHORT SERIES
TECHNICAL CHARACTERISTICS (FLIS)
LONG ARM LENGTH3.750 INCHES NOMINAL IN
SHORT ARM LENGTH1.375 INCHES NOMINAL IN
WRENCHING SURFACE SIZE0.313 INCHES NOMINAL BOTH ENDS IN
WRENCHING SURFACE SHAPEHEXAGON BOTH ENDS EXTERNAL
MATERIALCOPPER ALLOY OVERALL
STYLE DESIGNATORL-HANDLE
OVERALL LENGTH4.063 INCHES NOMINAL IN
FEATURES PROVIDEDSHORT SERIES
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
S6764Interchangeable
interchangeable cross-reference
interchangeable
15112-15250Interchangeable
interchangeable cross-reference
interchangeable
14867PC44Interchangeable
interchangeable cross-reference
interchangeable
L9Interchangeable
interchangeable cross-reference
interchangeable
L-17Interchangeable
interchangeable cross-reference
interchangeable
W-1050-TInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is L-9-2559?
L-9-2559 is a KEY,SOCKET HEAD SCREW.
What parts can replace L-9-2559?
There are 26 known substitutes for L-9-2559: S6764, 15112-15250, 14867PC44 and 23 more. Substitute compatibility should be verified for your specific system.
Is L-9-2559 still available?
L-9-2559 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026