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GTMX4 — EXTENSION,SOCKET WRENCH

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

GTMX4: EXTENSION,SOCKET WRENCH.

The EXTENSION,SOCKET WRENCH is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, overall_length: 4.000 INCHES NOMINAL IN, drive_end_shape: SQUARE SECOND END EXTERNAL, outside_diameter: 0.312 INCHES NOMINAL IN, special_features: KNURLED SHANK, style_designator: RIGID. This part is cataloged in the U.S.

Government catalog under NSN 5120-01-335-1077, 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
GTMX4
NSN: 5120-01-335-1077
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_length4.000 INCHES NOMINAL IN
drive_end_shapeSQUARE SECOND END EXTERNAL
outside_diameter0.312 INCHES NOMINAL IN
special_featuresKNURLED SHANK
style_designatorRIGID
features_providedMANUAL TOOL
surface_treatmentOXIDE OVERALL
drive_surface_size0.250 INCHES NOMINAL BOTH ENDS IN
NSN5120-01-335-1077
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available EXTENSION,SOCKET WRENCH TITLE COMPONENT PN GTMX4 MFR EXTENSION,SOCKET WRENC
KEY FEATURES
•
DRIVE SURFACE SIZE: 0.250 INCHES NOMINAL BOTH ENDS IN
•
STYLE DESIGNATOR: RIGID
•
OUTSIDE DIAMETER: 0.312 INCHES NOMINAL IN
•
FEATURES PROVIDED: MANUAL TOOL
•
DRIVE END SHAPE: SQUARE FIRST END INTERNAL
TECHNICAL CHARACTERISTICS
DRIVE SURFACE SIZE0.250 INCHES NOMINAL BOTH ENDS IN
STYLE DESIGNATORRIGID
OVERALL LENGTH4.000 INCHES NOMINAL IN
OUTSIDE DIAMETER0.312 INCHES NOMINAL IN
FEATURES PROVIDEDMANUAL TOOL
DRIVE END SHAPESQUARE FIRST END INTERNAL
DRIVE END SHAPESQUARE SECOND END EXTERNAL
SPECIAL FEATURESKNURLED SHANK
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is GTMX4?
GTMX4 is a EXTENSION,SOCKET WRENCH.
What is the NSN for GTMX4?
GTMX4 is cataloged in the U.S. Government catalog under NSN 5120-01-335-1077. 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.