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12553519 — SHAFT,SHOULDERED

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

12553519: SHAFT,SHOULDERED.

The SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8620, end_similarity: NOT IDENTICAL, overall_length: 2.300 INCHES NOMINAL IN, first_end_style: PLAIN, second_end_style: SPLINED (STRAIGHT), first_end_diameter: 0.6285 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-324-7953, 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
12553519
NSN: 3040-01-324-7953
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 8620
step_quantity4
end_similarityNOT IDENTICAL
overall_length2.300 INCHES NOMINAL IN
first_end_stylePLAIN
second_end_styleSPLINED (STRAIGHT)
first_end_diameter0.6285 INCHES NOMINAL IN
second_end_diameter0.8500 INCHES NOMINAL IN
largest_step_diameter1.2400 INCHES NOMINAL IN
end_item_identificationGOES ON 2350-01-305-0028,M109A6
second_end_spline_length0.760 INCHES NOMINAL IN
second_end_spline_quantity16
NSN3040-01-324-7953
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SHAFT,SHOULDERED TITLE COMPONENT PN 12553519 MFR SHAFT,SHOULDERED
KEY FEATURES
•
STEP QUANTITY: 4
•
FIRST END DIAMETER: 0.6285 INCHES NOMINAL IN
•
SECOND END DIAMETER: 0.8500 INCHES NOMINAL IN
•
LARGEST STEP DIAMETER: 1.2400 INCHES NOMINAL IN
•
SECOND END SPLINE MINOR DIAMETER: 0.7190 INCHES NOMINAL IN
•
FIRST END STYLE: PLAIN
•
SECOND END SPLINE MAJOR DIAMETER: 0.8500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STEP QUANTITY4
FIRST END DIAMETER0.6285 INCHES NOMINAL IN
SECOND END DIAMETER0.8500 INCHES NOMINAL IN
LARGEST STEP DIAMETER1.2400 INCHES NOMINAL IN
SECOND END SPLINE MINOR DIAMETER0.7190 INCHES NOMINAL IN
FIRST END STYLEPLAIN
SECOND END SPLINE MAJOR DIAMETER0.8500 INCHES NOMINAL IN
OVERALL LENGTH2.300 INCHES NOMINAL IN
END SIMILARITYNOT IDENTICAL
SECOND END SPLINE QUANTITY16
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 demandDemilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 12553519?
12553519 is a SHAFT,SHOULDERED.
What is the NSN for 12553519?
12553519 is cataloged in the U.S. Government catalog under NSN 3040-01-324-7953. 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.