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254W4 ✓ 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

The WIRING HARNESS,BRANCHED is a the manufacturer industrial component. Key specifications include overall_length: 3.665 INCHES NOMINAL IN, style_designator: CRESCENT, HOOK STOP, material_thickness: 0.531 INCHES NOMINAL IN, pivot_pin_hole_diameter: 0.625 INCHES NOMINAL IN, length_from_pivot_pinhole_centerline_to_point_of_engagement: 2.500 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3040-00-752-1156, 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
254W4
NSN: 3040-00-752-1156
FSC: 3040
CAGE: 56442 — DIAMOND REO TRUCK CO (USA)
SPECIFICATIONS
overall_length3.665 INCHES NOMINAL IN
style_designatorCRESCENT, HOOK STOP
material_thickness0.531 INCHES NOMINAL IN
pivot_pin_hole_diameter0.625 INCHES NOMINAL IN
length_from_pivot_pinhole_centerline_to_point_of_engagement2.500 INCHES NOMINAL IN
NSN3040-00-752-1156
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available WIRING HARNESS,BRANCHED TITLE COMPONENT PN 254W4 MFR WIRING HARNESS,BRANCHE
KEY FEATURES
•
MATERIAL THICKNESS: 0.531 INCHES NOMINAL IN
•
LENGTH FROM PIVOT PINHOLE CENTERLINE TO POINT OF ENGAGEMENT: 2.500 INCHES NOMINAL IN
•
PIVOT PIN HOLE DIAMETER: 0.625 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CRESCENT, HOOK STOP
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL THICKNESS0.531 INCHES NOMINAL IN
LENGTH FROM PIVOT PINHOLE CENTERLINE TO POINT OF ENGAGEMENT2.500 INCHES NOMINAL IN
PIVOT PIN HOLE DIAMETER0.625 INCHES NOMINAL IN
STYLE DESIGNATORCRESCENT, HOOK STOP
OVERALL LENGTH3.665 INCHES NOMINAL IN
SPECIAL FEATURESDEPTH FROM PIVOT PINHOLE CENTERLINE TO POINT OF ENGAGEMENT 0.375 IN.;LGTH FROM PIVOT PINHOLE CENTER TO ENGAGEMENT END 2.875 IN.;INTEGRAL THUMB RELEASE PROTRUSION INCLUDED;MATL-IRON QQ-I-666 GRADE 2 IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
39Interchangeable
interchangeable cross-reference
interchangeable
B5301Interchangeable
interchangeable cross-reference
interchangeable
T39Interchangeable
interchangeable cross-reference
interchangeable
5344524Interchangeable
interchangeable cross-reference
interchangeable
10-106Interchangeable
interchangeable cross-reference
interchangeable
T43Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 254W4?
254W4 is a WIRING HARNESS,BRANCHED.
What parts can replace 254W4?
There are 11 known substitutes for 254W4: 39, B5301, T39 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 254W4?
254W4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3040-00-752-1156. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026