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646-0644-001 — SPRING,HELICAL,COMPRESSION

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

646-0644-001: SPRING,HELICAL,COMPRESSION.

The SPRING,HELICAL,COMPRESSION is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, end_style: SPRING END,SQUARED BOTH ENDS, inside_diameter: 0.100 INCHES NOMINAL IN, style_designator: CYLINDRICAL, surface_treatment: PASSIVATE OVERALL, spring_free_length: 0.500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5360-01-334-6819, 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
646-0644-001
NSN: 5360-01-334-6819
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 13499 — ROCKWELL COLLINS, INC. DBA COLLINS AEROSPACE GOVERNMENT SYSTEMS DIV COLLINS AEROSPACE - GOVERNMENT SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
end_styleSPRING END,SQUARED BOTH ENDS
coil_quantity7
inside_diameter0.100 INCHES NOMINAL IN
style_designatorCYLINDRICAL
surface_treatmentPASSIVATE OVERALL
spring_free_length0.500 INCHES NOMINAL IN
coil_helix_directionLEFT-HAND
spring_free_outside_diameter0.010 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN
material_document_and_classificationASTM A313 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5360-01-334-6819
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING,HELICAL,COMPRESSION TITLE COMPONENT PN 646-0644-001 MFR SPRING,HELICAL,COMPRES
KEY FEATURES
•
SPRING FREE OUTSIDE DIAMETER: 0.010 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN
•
END STYLE: SPRING END,SQUARED BOTH ENDS
•
STYLE DESIGNATOR: CYLINDRICAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A313 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
SPRING FREE LENGTH: 0.500 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.100 INCHES NOMINAL IN
•
COIL QUANTITY: 7
•
SURFACE TREATMENT: PASSIVATE OVERALL
TECHNICAL CHARACTERISTICS
SPRING FREE OUTSIDE DIAMETER0.010 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN
END STYLESPRING END,SQUARED BOTH ENDS
STYLE DESIGNATORCYLINDRICAL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A313 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SPRING FREE LENGTH0.500 INCHES NOMINAL IN
INSIDE DIAMETER0.100 INCHES NOMINAL IN
COIL QUANTITY7
SURFACE TREATMENTPASSIVATE OVERALL
COIL HELIX DIRECTIONLEFT-HAND
MATERIALSTEEL 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
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 646-0644-001?
646-0644-001 is a SPRING,HELICAL,COMPRESSION.
What is the NSN for 646-0644-001?
646-0644-001 is cataloged in the U.S. Government catalog under NSN 5360-01-334-6819. 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.