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979-1B397 — SPRING,HELICAL,TORSION

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

979-1B397: SPRING,HELICAL,TORSION.

The SPRING,HELICAL,TORSION is a the manufacturer industrial component. Key specifications include material: STEEL UNS K08500 OVERALL, end_style: STRAIGHT OFFSET OVERALL, end_length: 0.250 INCHES NOMINAL BOTH ENDS IN, coil_quantity: 4-1/2, inside_diameter: 0.391 INCHES NOMINAL IN, style_designator: SINGLE TORSION RIGHT HAND. This part is cataloged in the U.S.

Government catalog under NSN 5360-00-316-4497, 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
979-1B397
NSN: 5360-00-316-4497
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 00607 — GAP INSTRUMENT CORP (USA)
SPECIFICATIONS
materialSTEEL UNS K08500 OVERALL
end_styleSTRAIGHT OFFSET OVERALL
end_length0.250 INCHES NOMINAL BOTH ENDS IN
coil_quantity4-1/2
inside_diameter0.391 INCHES NOMINAL IN
style_designatorSINGLE TORSION RIGHT HAND
spring_free_length0.797 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND
end_angular_relationshipENDS ANGLED ONE TO OTHER
spring_free_outside_diameter0.516 INCHES NOMINAL IN
NSN5360-00-316-4497
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING,HELICAL,TORSION TITLE COMPONENT PN 979-1B397 MFR SPRING,HELICAL,TORSION
KEY FEATURES
•
SPRING FREE OUTSIDE DIAMETER: 0.516 INCHES NOMINAL IN
•
END STYLE: STRAIGHT OFFSET OVERALL
•
END LENGTH: 0.250 INCHES NOMINAL BOTH ENDS IN
•
STYLE DESIGNATOR: SINGLE TORSION RIGHT HAND
•
SPRING FREE LENGTH: 0.797 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.391 INCHES NOMINAL IN
•
COIL QUANTITY: 4-1/2
•
COIL HELIX DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
SPRING FREE OUTSIDE DIAMETER0.516 INCHES NOMINAL IN
END STYLESTRAIGHT OFFSET OVERALL
END LENGTH0.250 INCHES NOMINAL BOTH ENDS IN
STYLE DESIGNATORSINGLE TORSION RIGHT HAND
SPRING FREE LENGTH0.797 INCHES NOMINAL IN
INSIDE DIAMETER0.391 INCHES NOMINAL IN
COIL QUANTITY4-1/2
COIL HELIX DIRECTIONRIGHT-HAND
MATERIALSTEEL UNS K08500 OVERALL
END ANGULAR RELATIONSHIPENDS ANGLED ONE TO OTHER
SUBSTITUTES & CROSS-REFERENCES 2
9234-6Reference document
Same NSN cross-reference
Reference document — Secondary reference
B21504Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 979-1B397?
979-1B397 is a SPRING,HELICAL,TORSION.
What parts can replace 979-1B397?
There are 2 known substitutes for 979-1B397: 9234-6, B21504. Substitute compatibility should be verified for your specific system.
What is the NSN for 979-1B397?
979-1B397 is cataloged in the U.S. Government catalog under NSN 5360-00-316-4497. 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.