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78C6 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The SPRING,HELICAL,COMPRESSION is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, spring_free_length: 0.500 INCHES NOMINAL IN, spring_free_outside_diameter: 0.438 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5360-00-360-4489, 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
78C6
NSN: 5360-00-360-4489
FSC: 5360
CAGE: 6X081 — COOPER INDUSTRIES INDUSTRIAL MACHINERY DIV (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
spring_free_length0.500 INCHES NOMINAL IN
spring_free_outside_diameter0.438 INCHES NOMINAL IN
NSN5360-00-360-4489
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING,HELICAL,COMPRESSION TITLE COMPONENT PN 78C6 MFR SPRING,HELICAL,COMPRES
KEY FEATURES
•
SPRING FREE LENGTH: 0.500 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
SPRING FREE OUTSIDE DIAMETER: 0.438 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SPRING FREE LENGTH0.500 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING OVERALL
SPRING FREE OUTSIDE DIAMETER0.438 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
21CInterchangeable
interchangeable cross-reference
interchangeable
BU-21CPSInterchangeable
interchangeable cross-reference
interchangeable
21-C MARKED PLUSInterchangeable
interchangeable cross-reference
interchangeable
5603Interchangeable
IBM 1725W AC Power Supply
interchangeable
522-4491144Interchangeable
interchangeable cross-reference
interchangeable
SS522-4491144PC25Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 78C6?
78C6 is a SPRING,HELICAL,COMPRESSION.
What parts can replace 78C6?
There are 19 known substitutes for 78C6: 21C, BU-21CPS, 21-C MARKED PLUS and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 78C6?
78C6 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5360-00-360-4489. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026