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PartsTable / COMPONENT / 7900-841903-4
7900-841903-4 ✓ 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, opening_width: 1.312 INCHES NOMINAL IN, overall_width: 2.375 INCHES MAXIMUM IN, head_thickness: 1.000 INCHES NOMINAL IN, overall_length: 3.129 INCHES NOMINAL IN, drive_end_shape: SQUARE SINGLE END INTERNAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-00-181-6751, 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
7900-841903-4
NSN: 5120-00-181-6751
FSC: 5120
CAGE: 80049 — DEPARTMENT OF THE AIR FORCE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
opening_width1.312 INCHES NOMINAL IN
overall_width2.375 INCHES MAXIMUM IN
head_thickness1.000 INCHES NOMINAL IN
overall_length3.129 INCHES NOMINAL IN
drive_end_shapeSQUARE SINGLE END INTERNAL
style_designatorFLARE NUT
surface_treatmentCHROMIUM OVERALL
drive_surface_size0.500 INCHES NOMINAL SINGLE END IN
wrenching_surface_size1.750 INCHES NOMINAL SINGLE END IN
wrenching_surface_shape12 POINT SINGLE END INTERNAL
nondefinitive_spec/std_data1 TYPE AND 3 CLASS
NSN5120-00-181-6751
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CROWFOOT ATTACHMENT,SOCKET WRENC TITLE COMPONENT PN 7900-841903-4 MFR CROWFOOT ATTACHMENT,SO
KEY FEATURES
•
OPENING WIDTH: 1.312 INCHES NOMINAL IN
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND 3 CLASS
•
WRENCHING SURFACE SIZE: 1.750 INCHES NOMINAL SINGLE END IN
•
DRIVE SURFACE SIZE: 0.500 INCHES NOMINAL SINGLE END IN
•
DRIVE END SHAPE: SQUARE SINGLE END INTERNAL
•
MATERIAL: STEEL OVERALL
•
HEAD THICKNESS: 1.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OPENING WIDTH1.312 INCHES NOMINAL IN
OVERALL LENGTH3.129 INCHES NOMINAL IN
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 3 CLASS
WRENCHING SURFACE SIZE1.750 INCHES NOMINAL SINGLE END IN
DRIVE SURFACE SIZE0.500 INCHES NOMINAL SINGLE END IN
DRIVE END SHAPESQUARE SINGLE END INTERNAL
MATERIALSTEEL OVERALL
HEAD THICKNESS1.000 INCHES NOMINAL IN
WRENCHING SURFACE SHAPE12 POINT SINGLE END INTERNAL
STYLE DESIGNATORFLARE NUT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
A904-1Interchangeable
interchangeable cross-reference
interchangeable
AF-5-6Interchangeable
interchangeable cross-reference
interchangeable
AS4167Interchangeable
interchangeable cross-reference
interchangeable
AN850828BInterchangeable
interchangeable cross-reference
interchangeable
AS4167 TY1CL1STCDEAInterchangeable
interchangeable cross-reference
interchangeable
99804Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7900-841903-4?
7900-841903-4 is a CROWFOOT ATTACHMENT,SOCKET WRENC.
What parts can replace 7900-841903-4?
There are 11 known substitutes for 7900-841903-4: A904-1, AF-5-6, AS4167 and 8 more. Substitute compatibility should be verified for your specific system.
Is 7900-841903-4 still available?
7900-841903-4 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