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J5421 — Technical Data Sheet

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— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The SOCKET,SOCKET WRENCH is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, overall_length: 1.500 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 Federal Logistics Information System under NSN 5120-01-399-9768, 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
J5421
NSN: 5120-01-399-9768
FSC: 5120
CAGE: 1CV05 — THE STANLEY WORKS DBA STANLEY PROTO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_length1.500 INCHES NOMINAL IN
drive_end_shapeSQUARE SINGLE END INTERNAL
style_designatorINTERNAL-INTERNAL
features_providedMANUAL TOOL
surface_treatmentCHROMIUM OVERALL
drive_surface_size0.500 INCHES NOMINAL SINGLE END IN
wrenching_surface_size0.656 INCHES NOMINAL SINGLE END IN
wrenching_surface_shape12 POINT SINGLE END INTERNAL
nondefinitive_spec/std_data1 TYPE AND 1 CLASS AND A STYLE
specification/standard_data0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
NSN5120-01-399-9768
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SOCKET,SOCKET WRENCH TITLE COMPONENT PN J5421 MFR SOCKET,SOCKET WRENCH
KEY FEATURES
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND 1 CLASS AND A STYLE
•
WRENCHING SURFACE SIZE: 0.656 INCHES NOMINAL SINGLE END IN
•
SPECIFICATION/STANDARD DATA: 0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
STYLE DESIGNATOR: INTERNAL-INTERNAL
•
FEATURES PROVIDED: MANUAL TOOL
•
DRIVE END SHAPE: SQUARE SINGLE END INTERNAL
•
SURFACE TREATMENT: CHROMIUM OVERALL
•
DRIVE SURFACE SIZE: 0.500 INCHES NOMINAL SINGLE END IN
TECHNICAL CHARACTERISTICS
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 1 CLASS AND A STYLE
WRENCHING SURFACE SIZE0.656 INCHES NOMINAL SINGLE END IN
SPECIFICATION/STANDARD DATA0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
STYLE DESIGNATORINTERNAL-INTERNAL
FEATURES PROVIDEDMANUAL TOOL
DRIVE END SHAPESQUARE SINGLE END INTERNAL
SURFACE TREATMENTCHROMIUM OVERALL
DRIVE SURFACE SIZE0.500 INCHES NOMINAL SINGLE END IN
WRENCHING SURFACE SHAPE12 POINT SINGLE END INTERNAL
OVERALL LENGTH1.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
W-F-408InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
FED-STD-156InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
5421InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
9-54-21InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
001-7212-01InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
13226E1494-7InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is J5421?
J5421 is a SOCKET,SOCKET WRENCH.
What parts can replace J5421?
There are 20 known substitutes for J5421: W-F-408, FED-STD-156, 5421 and 17 more. Substitute compatibility should be verified for your specific system.
Is J5421 still available?
J5421 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: September 2026