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176798REV2PCA21SH6 — SPRING,HELICAL,EXTENSION

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

176798REV2PCA21SH6: SPRING,HELICAL,EXTENSION.

The SPRING,HELICAL,EXTENSION is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, end_style: SHORT TWISTED HOOK BOTH ENDS, design_type: CLOSED, hook_radius: 0.164 INCHES NOMINAL BOTH ENDS IN, coil_quantity: 38-3/4, inside_diameter: 0.329 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5360-00-616-4472, 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
176798REV2PCA21SH6
NSN: 5360-00-616-4472
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 30086 — L3HARRIS MARITIME POWER & ENERGY SOLUTIONS, INC. DBA SPD ELECTRICAL SYSTEMS, INC. (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
end_styleSHORT TWISTED HOOK BOTH ENDS
design_typeCLOSED
hook_radius0.164 INCHES NOMINAL BOTH ENDS IN
coil_quantity38-3/4
inside_diameter0.329 INCHES NOMINAL IN
style_designatorCYLINDRICAL
spring_free_length3.560 INCHES NOMINAL IN
coil_helix_directionLEFT-HAND
spring_deflection_rate4.950 POUNDS PER INCH NOMINAL LBS
spring_free_outside_diameter0.437 INCHES NOMINAL IN
NSN5360-00-616-4472
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING,HELICAL,EXTENSION TITLE COMPONENT PN 176798REV2PCA21SH6 MFR SPRING,HELICAL,EXTENSI
KEY FEATURES
•
SPRING FREE OUTSIDE DIAMETER: 0.437 INCHES NOMINAL IN
•
END STYLE: SHORT TWISTED HOOK BOTH ENDS
•
DESIGN TYPE: CLOSED
•
STYLE DESIGNATOR: CYLINDRICAL
•
SPRING FREE LENGTH: 3.560 INCHES NOMINAL IN
•
SPRING DEFLECTION RATE: 4.950 POUNDS PER INCH NOMINAL LBS
•
INSIDE DIAMETER: 0.329 INCHES NOMINAL IN
•
COIL QUANTITY: 38-3/4
TECHNICAL CHARACTERISTICS
SPRING FREE OUTSIDE DIAMETER0.437 INCHES NOMINAL IN
END STYLESHORT TWISTED HOOK BOTH ENDS
DESIGN TYPECLOSED
STYLE DESIGNATORCYLINDRICAL
SPRING FREE LENGTH3.560 INCHES NOMINAL IN
SPRING DEFLECTION RATE4.950 POUNDS PER INCH NOMINAL LBS
INSIDE DIAMETER0.329 INCHES NOMINAL IN
COIL QUANTITY38-3/4
COIL HELIX DIRECTIONLEFT-HAND
MATERIALSTEEL CORROSION RESISTING OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
176798-A21Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 176798REV2PCA21SH6?
176798REV2PCA21SH6 is a SPRING,HELICAL,EXTENSION.
What parts can replace 176798REV2PCA21SH6?
There is 1 known substitute for 176798REV2PCA21SH6: 176798-A21. Substitute compatibility should be verified for your specific system.
What is the NSN for 176798REV2PCA21SH6?
176798REV2PCA21SH6 is cataloged in the U.S. Government catalog under NSN 5360-00-616-4472. 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.