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FDS221 — SOCKET,SOCKET WRENCH

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

FDS221: SOCKET,SOCKET WRENCH.

The SOCKET,SOCKET WRENCH is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, overall_length: 1.625 INCHES NOMINAL IN, drive_end_shape: SQUARE SINGLE END INTERNAL, style_designator: INTERNAL-INTERNAL, features_provided: MANUAL TOOL, surface_treatment: CHROMIUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5120-01-654-3845, 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
FDS221
NSN: 5120-01-654-3845
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_length1.625 INCHES NOMINAL IN
drive_end_shapeSQUARE SINGLE END INTERNAL
style_designatorINTERNAL-INTERNAL
features_providedMANUAL TOOL
surface_treatmentCHROMIUM OVERALL
drive_surface_size0.375 INCHES NOMINAL SINGLE END IN
wrenching_surface_size0.688 INCHES NOMINAL SINGLE END IN
wrenching_surface_shape12 POINT SINGLE END INTERNAL
drive_end_outside_diameter0.875 INCHES NOMINAL IN
wrenching_end_opening_depth0.438 INCHES NOMINAL IN
wrenching_end_outside_diameter0.938 INCHES NOMINAL IN
NSN5120-01-654-3845
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SOCKET,SOCKET WRENCH TITLE COMPONENT PN FDS221 MFR SOCKET,SOCKET WRENCH
KEY FEATURES
•
DRIVE SURFACE SIZE: 0.375 INCHES NOMINAL SINGLE END IN
•
WRENCHING SURFACE SIZE: 0.688 INCHES NOMINAL SINGLE END IN
•
WRENCHING END OUTSIDE DIAMETER: 0.938 INCHES NOMINAL IN
•
STYLE DESIGNATOR: INTERNAL-INTERNAL
•
FEATURES PROVIDED: MANUAL TOOL
•
WRENCHING SURFACE SHAPE: 12 POINT SINGLE END INTERNAL
•
DRIVE END SHAPE: SQUARE SINGLE END INTERNAL
TECHNICAL CHARACTERISTICS
DRIVE SURFACE SIZE0.375 INCHES NOMINAL SINGLE END IN
WRENCHING SURFACE SIZE0.688 INCHES NOMINAL SINGLE END IN
WRENCHING END OUTSIDE DIAMETER0.938 INCHES NOMINAL IN
STYLE DESIGNATORINTERNAL-INTERNAL
OVERALL LENGTH1.625 INCHES NOMINAL IN
FEATURES PROVIDEDMANUAL TOOL
WRENCHING SURFACE SHAPE12 POINT SINGLE END INTERNAL
DRIVE END SHAPESQUARE SINGLE END INTERNAL
WRENCHING END OPENING DEPTH0.438 INCHES NOMINAL IN
SURFACE TREATMENTCHROMIUM 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 FDS221?
FDS221 is a SOCKET,SOCKET WRENCH.
What is the NSN for FDS221?
FDS221 is cataloged in the U.S. Government catalog under NSN 5120-01-654-3845. 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.