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S1645-65407 — SPRING,HELICAL,COMPRESSION

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

S1645-65407: SPRING,HELICAL,COMPRESSION.

The SPRING,HELICAL,COMPRESSION is a the manufacturer industrial component. Key specifications include material: STEEL UNS K08500 OVERALL, end_style: SPRING END,SQUARED AND GROUND BOTH ENDS, coil_quantity: 14, inside_diameter: 0.220 INCHES NOMINAL IN, style_designator: CYLINDRICAL, surface_treatment: CADMIUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5360-00-520-1019, 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
S1645-65407
NSN: 5360-00-520-1019
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)
SPECIFICATIONS
materialSTEEL UNS K08500 OVERALL
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
coil_quantity14
inside_diameter0.220 INCHES NOMINAL IN
style_designatorCYLINDRICAL
surface_treatmentCADMIUM OVERALL
spring_free_length1.063 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND
spring_free_outside_diameter0.328 INCHES NOMINAL IN
material_document_and_classificationQQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5360-00-520-1019
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING,HELICAL,COMPRESSION TITLE COMPONENT PN S1645-65407 MFR SPRING,HELICAL,COMPRES
KEY FEATURES
•
SPRING FREE OUTSIDE DIAMETER: 0.328 INCHES NOMINAL IN
•
END STYLE: SPRING END,SQUARED AND GROUND BOTH ENDS
•
STYLE DESIGNATOR: CYLINDRICAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
SPRING FREE LENGTH: 1.063 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.220 INCHES NOMINAL IN
•
COIL QUANTITY: 14
•
SURFACE TREATMENT: CADMIUM OVERALL
TECHNICAL CHARACTERISTICS
SPRING FREE OUTSIDE DIAMETER0.328 INCHES NOMINAL IN
END STYLESPRING END,SQUARED AND GROUND BOTH ENDS
STYLE DESIGNATORCYLINDRICAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SPRING FREE LENGTH1.063 INCHES NOMINAL IN
INSIDE DIAMETER0.220 INCHES NOMINAL IN
COIL QUANTITY14
SURFACE TREATMENTCADMIUM OVERALL
COIL HELIX DIRECTIONRIGHT-HAND
MATERIALSTEEL UNS K08500 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: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S1645-65407?
S1645-65407 is a SPRING,HELICAL,COMPRESSION.
What is the NSN for S1645-65407?
S1645-65407 is cataloged in the U.S. Government catalog under NSN 5360-00-520-1019. 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.