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157D4013 — SHAFT,SHOULDERED

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

157D4013: SHAFT,SHOULDERED.

The SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include special_features: PIN,SHOULDER,HEADLESS, end_item_identification: GAU12/25 MM GUN MM. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-374-2502, 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
157D4013
NSN: 3040-01-374-2502
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 05606 — GENERAL DYNAMICS-OTS, INC. DIV ORDNANCE AND TACTICAL SYSTEMS (USA)
SPECIFICATIONS
special_featuresPIN,SHOULDER,HEADLESS
end_item_identificationGAU12/25 MM GUN MM
NSN3040-01-374-2502
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SHAFT,SHOULDERED TITLE COMPONENT PN 157D4013 MFR SHAFT,SHOULDERED
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESPIN,SHOULDER,HEADLESS
END ITEM IDENTIFICATIONGAU12/25 MM GUN MM
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
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedDemilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 157D4013?
157D4013 is a SHAFT,SHOULDERED.
What is the NSN for 157D4013?
157D4013 is cataloged in the U.S. Government catalog under NSN 3040-01-374-2502. 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.