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65391-11339 — SHAFT,SHOULDERED

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

65391-11339: SHAFT,SHOULDERED.

The SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL, end_similarity: NOT IDENTICAL, overall_length: 8.3570 INCHES NOMINAL IN, surface_finish: 32.0 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 3040-01-447-1889, 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
65391-11339
NSN: 3040-01-447-1889
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)
SPECIFICATIONS
materialSTEEL
step_quantity6
end_similarityNOT IDENTICAL
overall_length8.3570 INCHES NOMINAL IN
surface_finish32.0 MICROINCHES
first_end_stylePLAIN
second_end_styleCIRCULAR GROOVED AND EXTERNALLY THREADED
special_featuresTHD INDENTED 0.200 IN. FROM END OF SHAFT IN
first_end_diameter4.9870 INCHES NOMINAL IN
second_end_diameter2.7650 INCHES NOMINAL IN
largest_step_diameter4.9870 INCHES NOMINAL IN
second_end_groove_width0.2500 INCHES NOMINAL IN
NSN3040-01-447-1889
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SHAFT,SHOULDERED TITLE COMPONENT PN 65391-11339 MFR SHAFT,SHOULDERED
KEY FEATURES
•
SURFACE FINISH: 32.0 MICROINCHES
•
SECOND END EXTERNAL THREAD LENGTH: 0.5000 INCHES NOMINAL IN
•
STEP QUANTITY: 6
•
FIRST END DIAMETER: 4.9870 INCHES NOMINAL IN
•
SECOND END DIAMETER: 2.7650 INCHES NOMINAL IN
•
LARGEST STEP DIAMETER: 4.9870 INCHES NOMINAL IN
•
FIRST END STYLE: PLAIN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6265 ASSN STD SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS
SURFACE FINISH32.0 MICROINCHES
SECOND END EXTERNAL THREAD LENGTH0.5000 INCHES NOMINAL IN
STEP QUANTITY6
FIRST END DIAMETER4.9870 INCHES NOMINAL IN
SECOND END DIAMETER2.7650 INCHES NOMINAL IN
LARGEST STEP DIAMETER4.9870 INCHES NOMINAL IN
FIRST END STYLEPLAIN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6265 ASSN STD SINGLE MATERIAL RESPONSE
OVERALL LENGTH8.3570 INCHES NOMINAL IN
SECOND END GROOVE DIAMETER2.7650 INCHES NOMINAL IN
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)Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 65391-11339?
65391-11339 is a SHAFT,SHOULDERED.
What is the NSN for 65391-11339?
65391-11339 is cataloged in the U.S. Government catalog under NSN 3040-01-447-1889. 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.