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3145AS125 — SHAFT,SHOULDERED

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

3145AS125: SHAFT,SHOULDERED.

The SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130, end_similarity: NOT IDENTICAL, overall_length: 0.5700 INCHES MAXIMUM IN, first_end_style: EXTERNAL THREADED, second_end_style: HEXAGONAL, first_end_diameter: 0.2500 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-365-5261, 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
3145AS125
NSN: 3040-01-365-5261
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL COMP 4130
step_quantity2
end_similarityNOT IDENTICAL
overall_length0.5700 INCHES MAXIMUM IN
first_end_styleEXTERNAL THREADED
second_end_styleHEXAGONAL
first_end_diameter0.2500 INCHES MAXIMUM IN
second_end_diameter0.8700 INCHES MAXIMUM IN
largest_step_diameter0.8700 INCHES MAXIMUM IN
second_end_step_length0.3800 INCHES MAXIMUM IN
second_end_width_across_flats0.7500 INCHES MAXIMUM IN
first_end_external_thread_length0.3800 INCHES MAXIMUM IN
NSN3040-01-365-5261
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SHAFT,SHOULDERED TITLE COMPONENT PN 3145AS125 MFR SHAFT,SHOULDERED
KEY FEATURES
•
STEP QUANTITY: 2
•
FIRST END DIAMETER: 0.2500 INCHES MAXIMUM IN
•
SECOND END DIAMETER: 0.8700 INCHES MAXIMUM IN
•
SECOND END STEP LENGTH: 0.3800 INCHES MAXIMUM IN
•
LARGEST STEP DIAMETER: 0.8700 INCHES MAXIMUM IN
•
FIRST END EXTERNAL THREAD LENGTH: 0.3800 INCHES MAXIMUM IN
•
FIRST END STYLE: EXTERNAL THREADED
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-6758 MIL SPEC ALL MATERIAL RESPONSES
TECHNICAL CHARACTERISTICS
STEP QUANTITY2
FIRST END DIAMETER0.2500 INCHES MAXIMUM IN
SECOND END DIAMETER0.8700 INCHES MAXIMUM IN
SECOND END STEP LENGTH0.3800 INCHES MAXIMUM IN
LARGEST STEP DIAMETER0.8700 INCHES MAXIMUM IN
FIRST END EXTERNAL THREAD LENGTH0.3800 INCHES MAXIMUM IN
FIRST END STYLEEXTERNAL THREADED
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6758 MIL SPEC ALL MATERIAL RESPONSES
OVERALL LENGTH0.5700 INCHES MAXIMUM IN
END SIMILARITYNOT IDENTICAL
OTHER ITEMS IN FSC 3040 — Miscellaneous Power Transmission Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3040-00-001-0046 3040-00-001-0047 3040-00-001-0048 3040-00-001-0068 3040-00-001-0077 3040-00-001-0078 3040-00-001-0089 3040-00-001-1224
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3145AS125?
3145AS125 is a SHAFT,SHOULDERED.
What is the NSN for 3145AS125?
3145AS125 is cataloged in the U.S. Government catalog under NSN 3040-01-365-5261. 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.