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12553402 — SHAFT,SHOULDERED

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

12553402: SHAFT,SHOULDERED.

The SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130 OR STEEL COMP 4140, end_similarity: IDENTICAL, overall_length: 21.840 INCHES NOMINAL IN, first_end_style: CIRCULAR GROOVED, first_end_diameter: 0.7500 INCHES NOMINAL IN, largest_step_diameter: 0.750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-324-9190, 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
12553402
NSN: 3040-01-324-9190
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
materialSTEEL COMP 4130 OR STEEL COMP 4140
step_quantity7
end_similarityIDENTICAL
overall_length21.840 INCHES NOMINAL IN
first_end_styleCIRCULAR GROOVED
first_end_diameter0.7500 INCHES NOMINAL IN
largest_step_diameter0.750 INCHES NOMINAL IN
first_end_groove_width0.0390 INCHES NOMINAL IN
end_item_identificationOES ON 2350-01-305-0028,M109A6
first_end_groove_diameter0.4680 INCHES NOMINAL IN
first_end_distance_from_end_to_groove0.172 INCHES NOMINAL IN
NSN3040-01-324-9190
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SHAFT,SHOULDERED TITLE COMPONENT PN 12553402 MFR SHAFT,SHOULDERED
KEY FEATURES
•
STEP QUANTITY: 7
•
FIRST END DIAMETER: 0.7500 INCHES NOMINAL IN
•
LARGEST STEP DIAMETER: 0.750 INCHES NOMINAL IN
•
FIRST END STYLE: CIRCULAR GROOVED
•
END SIMILARITY: IDENTICAL
•
FIRST END DISTANCE FROM END TO GROOVE: 0.172 INCHES NOMINAL IN
•
FIRST END GROOVE DIAMETER: 0.4680 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STEP QUANTITY7
FIRST END DIAMETER0.7500 INCHES NOMINAL IN
LARGEST STEP DIAMETER0.750 INCHES NOMINAL IN
FIRST END STYLECIRCULAR GROOVED
OVERALL LENGTH21.840 INCHES NOMINAL IN
END SIMILARITYIDENTICAL
FIRST END DISTANCE FROM END TO GROOVE0.172 INCHES NOMINAL IN
FIRST END GROOVE DIAMETER0.4680 INCHES NOMINAL IN
END ITEM IDENTIFICATIONOES ON 2350-01-305-0028,M109A6
MATERIALSTEEL COMP 4130 OR STEEL COMP 4140
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12553402?
12553402 is a SHAFT,SHOULDERED.
What is the NSN for 12553402?
12553402 is cataloged in the U.S. Government catalog under NSN 3040-01-324-9190. 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.