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CB21-512 — SPRING,HELICAL,COMPRESSION

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

CB21-512: SPRING,HELICAL,COMPRESSION.

The SPRING,HELICAL,COMPRESSION is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 510 OVERALL, end_style: SPRING END,SQUARED BOTH ENDS, inside_diameter: 0.160 INCHES NOMINAL IN, style_designator: TAPERED, surface_treatment: TIN OVERALL, spring_free_length: 0.125 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5360-00-348-4654, 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
CB21-512
NSN: 5360-00-348-4654
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 70214 — GTAA LLC DBA GTAA LLC (USA)
SPECIFICATIONS
materialCOPPER ALLOY 510 OVERALL
end_styleSPRING END,SQUARED BOTH ENDS
inside_diameter0.160 INCHES NOMINAL IN
style_designatorTAPERED
surface_treatmentTIN OVERALL
spring_free_length0.125 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND OR LEFT-HAND
spring_free_outside_diameter0.270 INCHES NOMINAL IN
material_document_and_classificationQQ-W-401-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5360-00-348-4654
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING,HELICAL,COMPRESSION TITLE COMPONENT PN CB21-512 MFR SPRING,HELICAL,COMPRES
KEY FEATURES
•
SPRING FREE OUTSIDE DIAMETER: 0.270 INCHES NOMINAL IN
•
END STYLE: SPRING END,SQUARED BOTH ENDS
•
STYLE DESIGNATOR: TAPERED
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-W-401-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
SPRING FREE LENGTH: 0.125 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.160 INCHES NOMINAL IN
•
SURFACE TREATMENT: TIN OVERALL
•
COIL HELIX DIRECTION: RIGHT-HAND OR LEFT-HAND
TECHNICAL CHARACTERISTICS
SPRING FREE OUTSIDE DIAMETER0.270 INCHES NOMINAL IN
END STYLESPRING END,SQUARED BOTH ENDS
STYLE DESIGNATORTAPERED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-W-401-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SPRING FREE LENGTH0.125 INCHES NOMINAL IN
INSIDE DIAMETER0.160 INCHES NOMINAL IN
SURFACE TREATMENTTIN OVERALL
COIL HELIX DIRECTIONRIGHT-HAND OR LEFT-HAND
MATERIALCOPPER ALLOY 510 OVERALL
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 CB21-512?
CB21-512 is a SPRING,HELICAL,COMPRESSION.
What is the NSN for CB21-512?
CB21-512 is cataloged in the U.S. Government catalog under NSN 5360-00-348-4654. 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.