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186C — SPRING,HELICAL,EXTENSION

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

186C: SPRING,HELICAL,EXTENSION.

The SPRING,HELICAL,EXTENSION is a the manufacturer industrial component. Key specifications include end_item_identification: KC-46A SUPPORT EQUIPMENT A. This part is cataloged in the U.S.

Government catalog under NSN 5360-00-514-3104, 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
186C
NSN: 5360-00-514-3104
NIINs: 005143104, 011228071, 015727079, 016988849
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 71447 — CALIFORNIA SPRING CO DIV PETERSON AMERICAN CORP (USA)
SPECIFICATIONS
end_item_identificationKC-46A SUPPORT EQUIPMENT A
NSN5360-00-514-3104
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING,HELICAL,EXTENSION TITLE COMPONENT PN 186C MFR SPRING,HELICAL,EXTENSI
KEY FEATURES
•
SPRING FREE OUTSIDE DIAMETER: 0.438 INCHES NOMINAL IN
•
END STYLE: SHORT TWISTED HOOK BOTH ENDS
•
DESIGN TYPE: CLOSED
•
STYLE DESIGNATOR: CYLINDRICAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-W-6101 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
SPRING FREE LENGTH: 2.500 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.343 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM OVERALL
TECHNICAL CHARACTERISTICS
SPRING FREE OUTSIDE DIAMETER0.438 INCHES NOMINAL IN
END STYLESHORT TWISTED HOOK BOTH ENDS
DESIGN TYPECLOSED
STYLE DESIGNATORCYLINDRICAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-W-6101 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SPRING FREE LENGTH2.500 INCHES NOMINAL IN
INSIDE DIAMETER0.343 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OVERALL
COIL HELIX DIRECTIONRIGHT-HAND OR LEFT-HAND
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 3
517AS175Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
9093373Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
10054249Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 186C?
186C is a SPRING,HELICAL,EXTENSION.
What parts can replace 186C?
There are 3 known substitutes for 186C: 517AS175, 9093373, 10054249. Substitute compatibility should be verified for your specific system.
What is the NSN for 186C?
186C is cataloged in the U.S. Government catalog under NSN 5360-00-514-3104. 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.