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12950873 — COLLAR,SHAFT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

12950873: COLLAR,SHAFT.

The COLLAR,SHAFT is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, thickness: 0.230 INCHES NOMINAL IN, bore_diameter: 0.2500 INCHES NOMINAL IN, outside_diameter: 0.500 INCHES NOMINAL IN, special_features: THREADED TO 0.250-28UNF-2B,0.375-32UNEF-2A A, style_designator: ROUND STEPPED. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-366-3817, 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
12950873
NSN: 3040-01-366-3817
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 CORROSION RESISTING
thickness0.230 INCHES NOMINAL IN
bore_diameter0.2500 INCHES NOMINAL IN
outside_diameter0.500 INCHES NOMINAL IN
special_featuresTHREADED TO 0.250-28UNF-2B,0.375-32UNEF-2A A
style_designatorROUND STEPPED
surface_treatmentPASSIVATE
small_end_diameter0.375 INCHES NOMINAL IN
end_item_identificationSIGHTUNIT
largest_diameter_length0.090 INCHES NOMINAL IN
NSN3040-01-366-3817
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COLLAR,SHAFT TITLE COMPONENT PN 12950873 MFR COLLAR,SHAFT
KEY FEATURES
•
LARGEST DIAMETER LENGTH: 0.090 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ROUND STEPPED
•
OUTSIDE DIAMETER: 0.500 INCHES NOMINAL IN
•
SMALL END DIAMETER: 0.375 INCHES NOMINAL IN
•
SURFACE TREATMENT: PASSIVATE
•
BORE DIAMETER: 0.2500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
LARGEST DIAMETER LENGTH0.090 INCHES NOMINAL IN
STYLE DESIGNATORROUND STEPPED
OUTSIDE DIAMETER0.500 INCHES NOMINAL IN
SMALL END DIAMETER0.375 INCHES NOMINAL IN
SPECIAL FEATURESTHREADED TO 0.250-28UNF-2B,0.375-32UNEF-2A A
SURFACE TREATMENTPASSIVATE
END ITEM IDENTIFICATIONSIGHTUNIT
BORE DIAMETER0.2500 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING
THICKNESS0.230 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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12950873?
12950873 is a COLLAR,SHAFT.
What is the NSN for 12950873?
12950873 is cataloged in the U.S. Government catalog under NSN 3040-01-366-3817. 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.