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1/8L SPECIAL — Technical Data Sheet

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— · COMPONENT
WHAT YOU NEED TO KNOW
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PRODUCT OVERVIEW

The KEY,SOCKET HEAD SCREW is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, overall_length: 6.125 INCHES NOMINAL IN, long_arm_length: 5.750 INCHES MINIMUM AND 6.250 INCHES MAXIMUM IN, short_arm_length: 0.750 INCHES NOMINAL IN, style_designator: L-HANDLE, wrenching_surface_size: 0.125 INCHES NOMINAL BOTH ENDS IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-00-189-2998, 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
1/8L SPECIAL
NSN: 5120-00-189-2998
FSC: 5120
CAGE: 70276 — ALLEN MFG CO SUB OF CHICAGO PNEUMATIC TOOL CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_length6.125 INCHES NOMINAL IN
long_arm_length5.750 INCHES MINIMUM AND 6.250 INCHES MAXIMUM IN
short_arm_length0.750 INCHES NOMINAL IN
style_designatorL-HANDLE
wrenching_surface_size0.125 INCHES NOMINAL BOTH ENDS IN
wrenching_surface_shapeHEXAGON BOTH ENDS EXTERNAL
NSN5120-00-189-2998
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available KEY,SOCKET HEAD SCREW TITLE COMPONENT PN 1/8L SPECIAL MFR KEY,SOCKET HEAD SCREW
KEY FEATURES
•
LONG ARM LENGTH: 5.750 INCHES MINIMUM AND 6.250 INCHES MAXIMUM IN
•
WRENCHING SURFACE SIZE: 0.125 INCHES NOMINAL BOTH ENDS IN
•
WRENCHING SURFACE SHAPE: HEXAGON BOTH ENDS EXTERNAL
•
SHORT ARM LENGTH: 0.750 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: L-HANDLE
TECHNICAL CHARACTERISTICS (FLIS)
LONG ARM LENGTH5.750 INCHES MINIMUM AND 6.250 INCHES MAXIMUM IN
OVERALL LENGTH6.125 INCHES NOMINAL IN
WRENCHING SURFACE SIZE0.125 INCHES NOMINAL BOTH ENDS IN
WRENCHING SURFACE SHAPEHEXAGON BOTH ENDS EXTERNAL
SHORT ARM LENGTH0.750 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
STYLE DESIGNATORL-HANDLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
ID51-128Interchangeable
interchangeable cross-reference
interchangeable
8-103Interchangeable
interchangeable cross-reference
interchangeable
60D90159-3Interchangeable
interchangeable cross-reference
interchangeable
72007Interchangeable
interchangeable cross-reference
interchangeable
755002A7742-4Interchangeable
interchangeable cross-reference
interchangeable
U9491-4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1/8L SPECIAL?
1/8L SPECIAL is a KEY,SOCKET HEAD SCREW.
What parts can replace 1/8L SPECIAL?
There are 24 known substitutes for 1/8L SPECIAL: ID51-128, 8-103, 60D90159-3 and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1/8L SPECIAL?
1/8L SPECIAL is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-00-189-2998. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: September 2026