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1C5277-1P66 — SPRING,HELICAL,EXTENSION

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

1C5277-1P66: SPRING,HELICAL,EXTENSION.

The SPRING,HELICAL,EXTENSION is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, end_style: MACHINE LOOP BOTH ENDS, design_type: CLOSED, hook_radius: 0.365 INCHES NOMINAL BOTH ENDS IN, opening_width: 0.210 INCHES NOMINAL BOTH ENDS IN, style_designator: CYLINDRICAL. This part is cataloged in the U.S.

Government catalog under NSN 5360-00-913-1675, 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
1C5277-1P66
NSN: 5360-00-913-1675
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 07482 — GENERAL ELECTRIC COMPANY (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
end_styleMACHINE LOOP BOTH ENDS
design_typeCLOSED
hook_radius0.365 INCHES NOMINAL BOTH ENDS IN
opening_width0.210 INCHES NOMINAL BOTH ENDS IN
style_designatorCYLINDRICAL
surface_treatmentPASSIVATE OVERALL
spring_free_length11.770 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND OR LEFT-HAND
spring_free_outside_diameter1.000 INCHES NOMINAL IN
NSN5360-00-913-1675
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING,HELICAL,EXTENSION TITLE COMPONENT PN 1C5277-1P66 MFR SPRING,HELICAL,EXTENSI
KEY FEATURES
•
SPRING FREE OUTSIDE DIAMETER: 1.000 INCHES NOMINAL IN
•
END STYLE: MACHINE LOOP BOTH ENDS
•
DESIGN TYPE: CLOSED
•
STYLE DESIGNATOR: CYLINDRICAL
•
OPENING WIDTH: 0.210 INCHES NOMINAL BOTH ENDS IN
•
SPRING FREE LENGTH: 11.770 INCHES NOMINAL IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
COIL HELIX DIRECTION: RIGHT-HAND OR LEFT-HAND
TECHNICAL CHARACTERISTICS
SPRING FREE OUTSIDE DIAMETER1.000 INCHES NOMINAL IN
END STYLEMACHINE LOOP BOTH ENDS
DESIGN TYPECLOSED
STYLE DESIGNATORCYLINDRICAL
OPENING WIDTH0.210 INCHES NOMINAL BOTH ENDS IN
SPRING FREE LENGTH11.770 INCHES NOMINAL IN
SURFACE TREATMENTPASSIVATE OVERALL
COIL HELIX DIRECTIONRIGHT-HAND OR LEFT-HAND
MATERIALSTEEL CORROSION RESISTING OVERALL
HOOK RADIUS0.365 INCHES NOMINAL BOTH ENDS IN
OTHER ITEMS IN FSC 5360 — Coil, Flat, Leaf, and Wire Springs
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5360-00-001-1842 5360-00-001-1945 5360-00-001-2010 5360-00-001-3865 5360-00-001-3950 5360-00-001-4650 5360-00-001-4664 5360-00-001-4703
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1C5277-1P66?
1C5277-1P66 is a SPRING,HELICAL,EXTENSION.
What is the NSN for 1C5277-1P66?
1C5277-1P66 is cataloged in the U.S. Government catalog under NSN 5360-00-913-1675. 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.