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12578351 — SHAFT,SHOULDERED

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

12578351: SHAFT,SHOULDERED.

The SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 12L14, overall_length: 5.250 INCHES NOMINAL IN, first_end_diameter: 2.00 INCHES NOMINAL IN, second_end_diameter: 0.99 INCHES NOMINAL IN, supplementary_features: NEXT ASSY PART NO 12578346 NIIN 016446256 DOOR,VEHICULAR, end_item_identification: NIIN 015750951 CARRIER,AMMUNITION,TRACKED. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-644-8430, 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
12578351
NSN: 3040-01-644-8430
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL COMP 12L14
overall_length5.250 INCHES NOMINAL IN
first_end_diameter2.00 INCHES NOMINAL IN
second_end_diameter0.99 INCHES NOMINAL IN
supplementary_featuresNEXT ASSY PART NO 12578346 NIIN 016446256 DOOR,VEHICULAR
end_item_identificationNIIN 015750951 CARRIER,AMMUNITION,TRACKED
first_end_hole_diameter0.313 INCHES MINIMUM IN
second_end_hole_diameter0.313 INCHES NOMINAL IN
NSN3040-01-644-8430
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SHAFT,SHOULDERED TITLE COMPONENT PN 12578351 MFR SHAFT,SHOULDERED
KEY FEATURES
•
SECOND END HOLE DIAMETER: 0.313 INCHES NOMINAL IN
•
FIRST END DIAMETER: 2.00 INCHES NOMINAL IN
•
SECOND END DIAMETER: 0.99 INCHES NOMINAL IN
•
SUPPLEMENTARY FEATURES: NEXT ASSY PART NO 12578346 NIIN 016446256 DOOR,VEHICULAR
•
FIRST END HOLE DIAMETER: 0.313 INCHES MINIMUM IN
•
MATERIAL: STEEL COMP 12L14
TECHNICAL CHARACTERISTICS
SECOND END HOLE DIAMETER0.313 INCHES NOMINAL IN
FIRST END DIAMETER2.00 INCHES NOMINAL IN
SECOND END DIAMETER0.99 INCHES NOMINAL IN
SUPPLEMENTARY FEATURESNEXT ASSY PART NO 12578346 NIIN 016446256 DOOR,VEHICULAR
OVERALL LENGTH5.250 INCHES NOMINAL IN
FIRST END HOLE DIAMETER0.313 INCHES MINIMUM IN
END ITEM IDENTIFICATIONNIIN 015750951 CARRIER,AMMUNITION,TRACKED
MATERIALSTEEL COMP 12L14
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12578351?
12578351 is a SHAFT,SHOULDERED.
What is the NSN for 12578351?
12578351 is cataloged in the U.S. Government catalog under NSN 3040-01-644-8430. 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.