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3945557 — SOCKET,SOCKET WRENCH

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

3945557: SOCKET,SOCKET WRENCH.

The SOCKET,SOCKET WRENCH is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, overall_length: 3.375 INCHES NOMINAL IN, drive_end_shape: SQUARE SINGLE END INTERNAL, drive_surface_size: 0.500 INCHES NOMINAL SINGLE END IN, functional_description: USED TO INSTALL/REMOVE BEARING NUT, end_item_identification: NSN 4210-01-486-1035, 2320-01-097-0260 AND 2320-01-195-7641. This part is cataloged in the U.S.

Government catalog under NSN 5130-01-520-9330, 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
3945557
NSN: 5130-01-520-9330
FSC: 5130 — Hand Tools, Power Driven
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_length3.375 INCHES NOMINAL IN
drive_end_shapeSQUARE SINGLE END INTERNAL
drive_surface_size0.500 INCHES NOMINAL SINGLE END IN
functional_descriptionUSED TO INSTALL/REMOVE BEARING NUT
end_item_identificationNSN 4210-01-486-1035, 2320-01-097-0260 AND 2320-01-195-7641
wrenching_end_outside_diameter5.250 INCHES NOMINAL IN
NSN5130-01-520-9330
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SOCKET,SOCKET WRENCH TITLE COMPONENT PN 3945557 MFR SOCKET,SOCKET WRENCH
KEY FEATURES
•
DRIVE SURFACE SIZE: 0.500 INCHES NOMINAL SINGLE END IN
•
WRENCHING END OUTSIDE DIAMETER: 5.250 INCHES NOMINAL IN
•
DRIVE END SHAPE: SQUARE SINGLE END INTERNAL
•
FUNCTIONAL DESCRIPTION: USED TO INSTALL/REMOVE BEARING NUT
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
DRIVE SURFACE SIZE0.500 INCHES NOMINAL SINGLE END IN
WRENCHING END OUTSIDE DIAMETER5.250 INCHES NOMINAL IN
OVERALL LENGTH3.375 INCHES NOMINAL IN
DRIVE END SHAPESQUARE SINGLE END INTERNAL
FUNCTIONAL DESCRIPTIONUSED TO INSTALL/REMOVE BEARING NUT
END ITEM IDENTIFICATIONNSN 4210-01-486-1035, 2320-01-097-0260 AND 2320-01-195-7641
MATERIALSTEEL OVERALL
OTHER ITEMS IN FSC 5130 — Hand Tools, Power Driven
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5130-00-001-1299 5130-00-001-2671 5130-00-001-2685 5130-00-001-2687 5130-00-001-6357 5130-00-001-7046 5130-00-004-6410 5130-00-004-6772
SUBSTITUTES & CROSS-REFERENCES 1
3335074Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 3945557?
3945557 is a SOCKET,SOCKET WRENCH.
What parts can replace 3945557?
There is 1 known substitute for 3945557: 3335074. Substitute compatibility should be verified for your specific system.
What is the NSN for 3945557?
3945557 is cataloged in the U.S. Government catalog under NSN 5130-01-520-9330. 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.