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Technical Data Sheet
FC18B ✓ 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: 0.938 INCHES NOMINAL IN, drive_end_shape: SQUARE SINGLE END INTERNAL, special_features: WITH SIDE LOCK HOLE, style_designator: OPEN END CAMBER, surface_treatment: CHROMIUM OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-01-335-1094, 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
FC18B
NSN: 5120-01-335-1094
FSC: 5120
CAGE: 68D9G — JAN HERMANEK (CZE)
SPECIFICATIONS
materialSTEEL OVERALL
overall_length0.938 INCHES NOMINAL IN
drive_end_shapeSQUARE SINGLE END INTERNAL
special_featuresWITH SIDE LOCK HOLE
style_designatorOPEN END CAMBER
surface_treatmentCHROMIUM OVERALL
drive_surface_size0.375 INCHES NOMINAL SINGLE END IN
wrenching_surface_size0.562 INCHES NOMINAL SINGLE END IN
wrenching_surface_shapeOVAL SINGLE END INTERNAL
nondefinitive_spec/std_data2 TYPE AND 1 CLASS
specification/standard_data05047-ASME B107.21 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
NSN5120-01-335-1094
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CROWFOOT ATTACHMENT,SOCKET WRENC TITLE COMPONENT PN FC18B MFR CROWFOOT ATTACHMENT,SO
KEY FEATURES
DRIVE END SHAPE: SQUARE SINGLE END INTERNAL
MATERIAL: STEEL OVERALL
SPECIFICATION/STANDARD DATA: 05047-ASME B107.21 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
SURFACE TREATMENT: CHROMIUM OVERALL
STYLE DESIGNATOR: OPEN END CAMBER
WRENCHING SURFACE SHAPE: OVAL SINGLE END INTERNAL
NONDEFINITIVE SPEC/STD DATA: 2 TYPE AND 1 CLASS
WRENCHING SURFACE SIZE: 0.562 INCHES NOMINAL SINGLE END IN
TECHNICAL CHARACTERISTICS (FLIS)
DRIVE END SHAPESQUARE SINGLE END INTERNAL
MATERIALSTEEL OVERALL
SPECIFICATION/STANDARD DATA05047-ASME B107.21 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
SURFACE TREATMENTCHROMIUM OVERALL
STYLE DESIGNATOROPEN END CAMBER
WRENCHING SURFACE SHAPEOVAL SINGLE END INTERNAL
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 1 CLASS
WRENCHING SURFACE SIZE0.562 INCHES NOMINAL SINGLE END IN
SPECIAL FEATURESWITH SIDE LOCK HOLE
DRIVE SURFACE SIZE0.375 INCHES NOMINAL SINGLE END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
GGG-C-1507Interchangeable
interchangeable cross-reference
interchangeable
B107.21Interchangeable
interchangeable cross-reference
interchangeable
121578-34Interchangeable
interchangeable cross-reference
interchangeable
80256-1Interchangeable
interchangeable cross-reference
interchangeable
80256Interchangeable
interchangeable cross-reference
interchangeable
4974367Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FC18B?
FC18B is a CROWFOOT ATTACHMENT,SOCKET WRENC.
What parts can replace FC18B?
There are 12 known substitutes for FC18B: GGG-C-1507, B107.21, 121578-34 and 9 more. Substitute compatibility should be verified for your specific system.
Is FC18B still available?
FC18B is currently cancelled.
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