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PartsTable / COMPONENT / 820-4530101-1
820-4530101-1 ✓ Verified by PartsTable
— · 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

CROWFOOT ATTACHMENT,SOCKET WRENC. Key specifications include criticality_code_justification: ZZZY. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-00-467-5104, 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
820-4530101-1
NSN: 5120-00-467-5104
FSC: 5120
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
NSN5120-00-467-5104
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CROWFOOT ATTACHMENT,SOCKET WRENC TITLE COMPONENT PN 820-4530101-1 MFR CROWFOOT ATTACHMENT,SO
KEY FEATURES
•
HEAD THICKNESS: 0.500 INCHES NOMINAL IN
•
WRENCHING SURFACE SIZE: 0.500 INCHES NOMINAL SINGLE END IN
•
SURFACE TREATMENT: CHROMIUM OVERALL
•
MATERIAL: STEEL OVERALL
•
DRIVE END SHAPE: SQUARE SINGLE END INTERNAL
•
WRENCHING SURFACE SHAPE: OVAL SINGLE END INTERNAL
•
STYLE DESIGNATOR: OPEN END CAMBER
•
DRIVE SURFACE SIZE: 0.500 INCHES NOMINAL SINGLE END IN
TECHNICAL CHARACTERISTICS (FLIS)
HEAD THICKNESS0.500 INCHES NOMINAL IN
WRENCHING SURFACE SIZE0.500 INCHES NOMINAL SINGLE END IN
SURFACE TREATMENTCHROMIUM OVERALL
MATERIALSTEEL OVERALL
DRIVE END SHAPESQUARE SINGLE END INTERNAL
WRENCHING SURFACE SHAPEOVAL SINGLE END INTERNAL
STYLE DESIGNATOROPEN END CAMBER
DRIVE SURFACE SIZE0.500 INCHES NOMINAL SINGLE END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
131-309-3Interchangeable
interchangeable cross-reference
interchangeable
ST293Interchangeable
interchangeable cross-reference
interchangeable
USAF330-9Interchangeable
interchangeable cross-reference
interchangeable
330-9Interchangeable
interchangeable cross-reference
interchangeable
FFB571TYPEA4Interchangeable
interchangeable cross-reference
interchangeable
788Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 820-4530101-1?
820-4530101-1 is a CROWFOOT ATTACHMENT,SOCKET WRENC.
What parts can replace 820-4530101-1?
There are 18 known substitutes for 820-4530101-1: 131-309-3, ST293, USAF330-9 and 15 more. Substitute compatibility should be verified for your specific system.
Is 820-4530101-1 still available?
820-4530101-1 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: July 2026