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200B643ITEM1 — SPRING,HELICAL,TORSION

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

200B643ITEM1: SPRING,HELICAL,TORSION.

The SPRING,HELICAL,TORSION is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, end_style: ONE HOOK END OVERALL, coil_quantity: 6-1/2, inside_diameter: 0.750 INCHES NOMINAL IN, style_designator: SINGLE TORSION RIGHT HAND, spring_free_length: 0.750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5360-00-582-7576, 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
200B643ITEM1
NSN: 5360-00-582-7576
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 79500 — WESTINGHOUSE ELECTRIC CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
end_styleONE HOOK END OVERALL
coil_quantity6-1/2
inside_diameter0.750 INCHES NOMINAL IN
style_designatorSINGLE TORSION RIGHT HAND
spring_free_length0.750 INCHES NOMINAL IN
coil_helix_directionLEFT-HAND
end_angular_relationshipENDS ANGLED ONE TO OTHER
spring_free_outside_diameter0.954 INCHES NOMINAL IN
NSN5360-00-582-7576
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING,HELICAL,TORSION TITLE COMPONENT PN 200B643ITEM1 MFR SPRING,HELICAL,TORSION
KEY FEATURES
•
SPRING FREE OUTSIDE DIAMETER: 0.954 INCHES NOMINAL IN
•
END STYLE: ONE HOOK END OVERALL
•
STYLE DESIGNATOR: SINGLE TORSION RIGHT HAND
•
SPRING FREE LENGTH: 0.750 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.750 INCHES NOMINAL IN
•
COIL QUANTITY: 6-1/2
•
COIL HELIX DIRECTION: LEFT-HAND
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
SPRING FREE OUTSIDE DIAMETER0.954 INCHES NOMINAL IN
END STYLEONE HOOK END OVERALL
STYLE DESIGNATORSINGLE TORSION RIGHT HAND
SPRING FREE LENGTH0.750 INCHES NOMINAL IN
INSIDE DIAMETER0.750 INCHES NOMINAL IN
COIL QUANTITY6-1/2
COIL HELIX DIRECTIONLEFT-HAND
MATERIALSTEEL OVERALL
END ANGULAR RELATIONSHIPENDS ANGLED ONE TO OTHER
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 5
445D408SUB1PC18Reference document
Same NSN cross-reference
Reference document — Secondary reference
904J140PC5SReference document
Same NSN cross-reference
Reference document — Secondary reference
585-350-1855459PC39Reference document
Same NSN cross-reference
Reference document — Secondary reference
200B643H01Reference document
Same NSN cross-reference
Reference document — Secondary reference
405D791PC39Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 200B643ITEM1?
200B643ITEM1 is a SPRING,HELICAL,TORSION.
What parts can replace 200B643ITEM1?
There are 5 known substitutes for 200B643ITEM1: 445D408SUB1PC18, 904J140PC5S, 585-350-1855459PC39 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 200B643ITEM1?
200B643ITEM1 is cataloged in the U.S. Government catalog under NSN 5360-00-582-7576. 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.