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GTMU181 — SOCKET,SOCKET WRENCH

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

GTMU181: SOCKET,SOCKET WRENCH.

The SOCKET,SOCKET WRENCH is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, overall_length: 1.344 INCHES NOMINAL IN, drive_end_shape: SQUARE SINGLE END INTERNAL, special_features: STANDARD LENGTH, style_designator: UNIVERSAL JOINT, features_provided: MANUAL TOOL. This part is cataloged in the U.S.

Government catalog under NSN 5120-01-428-8317, 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
GTMU181
NSN: 5120-01-428-8317
FSC: 5120 — Hand Tools, Nonedged, Nonpowered
CAGE: 55719 — IDSC HOLDINGS LLC DIV SNAP-ON INDUSTRIAL, A DIV. OF IDSC HOLDINGS , LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_length1.344 INCHES NOMINAL IN
drive_end_shapeSQUARE SINGLE END INTERNAL
special_featuresSTANDARD LENGTH
style_designatorUNIVERSAL JOINT
features_providedMANUAL TOOL
surface_treatmentOXIDE OVERALL
drive_surface_size0.250 INCHES NOMINAL SINGLE END IN
wrenching_surface_size0.562 INCHES NOMINAL SINGLE END IN
wrenching_surface_shape12 POINT SINGLE END INTERNAL
NSN5120-01-428-8317
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SOCKET,SOCKET WRENCH TITLE COMPONENT PN GTMU181 MFR SOCKET,SOCKET WRENCH
KEY FEATURES
•
DRIVE SURFACE SIZE: 0.250 INCHES NOMINAL SINGLE END IN
•
WRENCHING SURFACE SIZE: 0.562 INCHES NOMINAL SINGLE END IN
•
STYLE DESIGNATOR: UNIVERSAL JOINT
•
FEATURES PROVIDED: MANUAL TOOL
•
WRENCHING SURFACE SHAPE: 12 POINT SINGLE END INTERNAL
•
DRIVE END SHAPE: SQUARE SINGLE END INTERNAL
TECHNICAL CHARACTERISTICS
DRIVE SURFACE SIZE0.250 INCHES NOMINAL SINGLE END IN
WRENCHING SURFACE SIZE0.562 INCHES NOMINAL SINGLE END IN
STYLE DESIGNATORUNIVERSAL JOINT
OVERALL LENGTH1.344 INCHES NOMINAL IN
FEATURES PROVIDEDMANUAL TOOL
WRENCHING SURFACE SHAPE12 POINT SINGLE END INTERNAL
DRIVE END SHAPESQUARE SINGLE END INTERNAL
SPECIAL FEATURESSTANDARD LENGTH
SURFACE TREATMENTOXIDE OVERALL
MATERIALSTEEL OVERALL
OTHER ITEMS IN FSC 5120 — Hand Tools, Nonedged, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5120-00-001-2642 5120-00-001-2644 5120-00-001-2650 5120-00-001-2651 5120-00-001-2652 5120-00-001-2653 5120-00-001-2654 5120-00-001-2655
SUBSTITUTES & CROSS-REFERENCES 1
904.10.80.178Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is GTMU181?
GTMU181 is a SOCKET,SOCKET WRENCH.
What parts can replace GTMU181?
There is 1 known substitute for GTMU181: 904.10.80.178. Substitute compatibility should be verified for your specific system.
What is the NSN for GTMU181?
GTMU181 is cataloged in the U.S. Government catalog under NSN 5120-01-428-8317. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.