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623840 — SHAFT,SHOULDERED

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

623840: SHAFT,SHOULDERED.

The SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL, end_similarity: NOT IDENTICAL, first_end_style: PLAIN, second_end_style: SPLINED (STRAIGHT). This part is cataloged in the U.S.

Government catalog under NSN 3040-01-399-0888, 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
623840
NSN: 3040-01-399-0888
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
materialSTEEL
step_quantity7
end_similarityNOT IDENTICAL
first_end_stylePLAIN
second_end_styleSPLINED (STRAIGHT)
NSN3040-01-399-0888
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SHAFT,SHOULDERED TITLE COMPONENT PN 623840 MFR SHAFT,SHOULDERED
KEY FEATURES
•
STEP QUANTITY: 7
•
FIRST END STYLE: PLAIN
•
END SIMILARITY: NOT IDENTICAL
•
SECOND END STYLE: SPLINED (STRAIGHT)
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
STEP QUANTITY7
FIRST END STYLEPLAIN
END SIMILARITYNOT IDENTICAL
SECOND END STYLESPLINED (STRAIGHT)
MATERIALSTEEL
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 623840?
623840 is a SHAFT,SHOULDERED.
What is the NSN for 623840?
623840 is cataloged in the U.S. Government catalog under NSN 3040-01-399-0888. 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.