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54003-25 — SHAFT,SHOULDERED

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

54003-25: SHAFT,SHOULDERED.

The SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL, end_similarity: NOT IDENTICAL, overall_length: 18.000 INCHES NOMINAL IN, first_end_style: EXTERNAL THREADED, second_end_style: EXTERNAL THREADED, first_end_diameter: 0.6250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3040-00-334-3759, 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
54003-25
NSN: 3040-00-334-3759
NIINs: 003343759, 016977633
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 7PZX0 — FAIRBANKS MORSE, LLC (USA)
SPECIFICATIONS
materialSTEEL
step_quantity7
end_similarityNOT IDENTICAL
overall_length18.000 INCHES NOMINAL IN
first_end_styleEXTERNAL THREADED
second_end_styleEXTERNAL THREADED
first_end_diameter0.6250 INCHES NOMINAL IN
second_end_diameter0.6250 INCHES NOMINAL IN
largest_step_diameter0.877 INCHES NOMINAL IN
first_end_external_thread_length0.453 INCHES NOMINAL IN
second_end_external_thread_length0.812 INCHES NOMINAL IN
NSN3040-00-334-3759
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SHAFT,SHOULDERED TITLE COMPONENT PN 54003-25 MFR SHAFT,SHOULDERED
KEY FEATURES
•
SECOND END EXTERNAL THREAD LENGTH: 0.812 INCHES NOMINAL IN
•
STEP QUANTITY: 7
•
FIRST END DIAMETER: 0.6250 INCHES NOMINAL IN
•
SECOND END DIAMETER: 0.6250 INCHES NOMINAL IN
•
LARGEST STEP DIAMETER: 0.877 INCHES NOMINAL IN
•
FIRST END EXTERNAL THREAD LENGTH: 0.453 INCHES NOMINAL IN
•
FIRST END STYLE: EXTERNAL THREADED
TECHNICAL CHARACTERISTICS
SECOND END EXTERNAL THREAD LENGTH0.812 INCHES NOMINAL IN
STEP QUANTITY7
FIRST END DIAMETER0.6250 INCHES NOMINAL IN
SECOND END DIAMETER0.6250 INCHES NOMINAL IN
LARGEST STEP DIAMETER0.877 INCHES NOMINAL IN
FIRST END EXTERNAL THREAD LENGTH0.453 INCHES NOMINAL IN
FIRST END STYLEEXTERNAL THREADED
OVERALL LENGTH18.000 INCHES NOMINAL IN
END SIMILARITYNOT IDENTICAL
SECOND END STYLEEXTERNAL THREADED
SUBSTITUTES & CROSS-REFERENCES 1
6F7-8Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 54003-25?
54003-25 is a SHAFT,SHOULDERED.
What parts can replace 54003-25?
There is 1 known substitute for 54003-25: 6F7-8. Substitute compatibility should be verified for your specific system.
What is the NSN for 54003-25?
54003-25 is cataloged in the U.S. Government catalog under NSN 3040-00-334-3759. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.