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PartsTable / COMPONENT / FCO30A
FCO30A ✓ 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 material: STEEL OVERALL, overall_length: 2.125 INCHES NOMINAL IN, drive_end_shape: SQUARE SINGLE END INTERNAL, style_designator: OPEN END, surface_treatment: CHROMIUM OVERALL, drive_surface_size: 0.375 INCHES NOMINAL SINGLE END IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-01-335-1090, 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
FCO30A
NSN: 5120-01-335-1090
FSC: 5120
CAGE: 55719 — IDSC HOLDINGS LLC DIV SNAP-ON INDUSTRIAL, A DIV. OF IDSC HOLDINGS , LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_length2.125 INCHES NOMINAL IN
drive_end_shapeSQUARE SINGLE END INTERNAL
style_designatorOPEN END
surface_treatmentCHROMIUM OVERALL
drive_surface_size0.375 INCHES NOMINAL SINGLE END IN
wrenching_surface_size0.938 INCHES NOMINAL SINGLE END IN
wrenching_surface_shapeOVAL SINGLE END INTERNAL
nondefinitive_spec/std_data2 TYPE AND 1 CLASS
specification/standard_data05047-ASME B107.100 CAT 21 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
NSN5120-01-335-1090
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CROWFOOT ATTACHMENT,SOCKET WRENC TITLE COMPONENT PN FCO30A MFR CROWFOOT ATTACHMENT,SO
KEY FEATURES
•
MATERIAL: STEEL OVERALL
•
DRIVE SURFACE SIZE: 0.375 INCHES NOMINAL SINGLE END IN
•
STYLE DESIGNATOR: OPEN END
•
NONDEFINITIVE SPEC/STD DATA: 2 TYPE AND 1 CLASS
•
SPECIFICATION/STANDARD DATA: 05047-ASME B107.100 CAT 21 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
SURFACE TREATMENT: CHROMIUM OVERALL
•
WRENCHING SURFACE SHAPE: OVAL SINGLE END INTERNAL
•
DRIVE END SHAPE: SQUARE SINGLE END INTERNAL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
DRIVE SURFACE SIZE0.375 INCHES NOMINAL SINGLE END IN
STYLE DESIGNATOROPEN END
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 1 CLASS
SPECIFICATION/STANDARD DATA05047-ASME B107.100 CAT 21 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
SURFACE TREATMENTCHROMIUM OVERALL
WRENCHING SURFACE SHAPEOVAL SINGLE END INTERNAL
DRIVE END SHAPESQUARE SINGLE END INTERNAL
WRENCHING SURFACE SIZE0.938 INCHES NOMINAL SINGLE END IN
OVERALL LENGTH2.125 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
816-12DInterchangeable
interchangeable cross-reference
interchangeable
676-12DInterchangeable
interchangeable cross-reference
interchangeable
FC030Interchangeable
Same NIIN cross-reference
interchangeable
FC030AInterchangeable
Same NIIN cross-reference
interchangeable
28KP812Interchangeable
Same NIIN cross-reference
interchangeable
B107.21Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FCO30A?
FCO30A is a CROWFOOT ATTACHMENT,SOCKET WRENC.
What parts can replace FCO30A?
There are 10 known substitutes for FCO30A: 816-12D, 676-12D, FC030 and 7 more. Substitute compatibility should be verified for your specific system.
Is FCO30A still available?
FCO30A 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