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595-6404641-18 — SHAFT,SHOULDERED

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

595-6404641-18: SHAFT,SHOULDERED.

The SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304, end_similarity: NOT IDENTICAL, overall_length: 5.6200 INCHES NOMINAL IN, surface_finish: 250.0 MICROINCHES, first_end_style: PLAIN, second_end_style: CIRCULAR GROOVED AND EXTERNALLY THREADED. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-379-9221, 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
595-6404641-18
NSN: 3040-01-379-9221
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL COMP 304
step_quantity2
end_similarityNOT IDENTICAL
overall_length5.6200 INCHES NOMINAL IN
surface_finish250.0 MICROINCHES
first_end_stylePLAIN
second_end_styleCIRCULAR GROOVED AND EXTERNALLY THREADED
special_featuresTAPER AT CIRCULAR GROOVE 3.5 DEGREES,.60 IN LONG. IN
first_end_diameter0.4900 INCHES NOMINAL IN
second_end_diameter0.3750 INCHES NOMINAL IN
largest_step_diameter0.4900 INCHES NOMINAL IN
second_end_groove_width0.1200 INCHES NOMINAL IN
NSN3040-01-379-9221
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SHAFT,SHOULDERED TITLE COMPONENT PN 595-6404641-18 MFR SHAFT,SHOULDERED
KEY FEATURES
•
SURFACE FINISH: 250.0 MICROINCHES
•
SECOND END EXTERNAL THREAD LENGTH: 0.6900 INCHES NOMINAL IN
•
STEP QUANTITY: 2
•
FIRST END DIAMETER: 0.4900 INCHES NOMINAL IN
•
SECOND END DIAMETER: 0.3750 INCHES NOMINAL IN
•
LARGEST STEP DIAMETER: 0.4900 INCHES NOMINAL IN
•
FIRST END STYLE: PLAIN
TECHNICAL CHARACTERISTICS
SURFACE FINISH250.0 MICROINCHES
SECOND END EXTERNAL THREAD LENGTH0.6900 INCHES NOMINAL IN
STEP QUANTITY2
FIRST END DIAMETER0.4900 INCHES NOMINAL IN
SECOND END DIAMETER0.3750 INCHES NOMINAL IN
LARGEST STEP DIAMETER0.4900 INCHES NOMINAL IN
FIRST END STYLEPLAIN
OVERALL LENGTH5.6200 INCHES NOMINAL IN
SECOND END GROOVE DIAMETER0.3300 INCHES NOMINAL IN
END SIMILARITYNOT IDENTICAL
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 595-6404641-18?
595-6404641-18 is a SHAFT,SHOULDERED.
What is the NSN for 595-6404641-18?
595-6404641-18 is cataloged in the U.S. Government catalog under NSN 3040-01-379-9221. 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.