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5018-640 — SPRING,HELICAL,COMPRESSION

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

5018-640: SPRING,HELICAL,COMPRESSION.

The SPRING,HELICAL,COMPRESSION is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, end_style: SPRING END,PLAIN BOTH ENDS, inside_diameter: 0.448 INCHES NOMINAL IN, style_designator: CYLINDRICAL, surface_treatment: CADMIUM OVERALL, spring_free_length: 0.375 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5360-00-944-5345, 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
5018-640
NSN: 5360-00-944-5345
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 05869 — RAYTHEON COMPANY DIV RMD STRATEGIC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
end_styleSPRING END,PLAIN BOTH ENDS
coil_quantity4
inside_diameter0.448 INCHES NOMINAL IN
style_designatorCYLINDRICAL
surface_treatmentCADMIUM OVERALL
spring_free_length0.375 INCHES NOMINAL IN
spring_solid_length0.104 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND
spring_free_outside_diameter0.500 INCHES NOMINAL IN
NSN5360-00-944-5345
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING,HELICAL,COMPRESSION TITLE COMPONENT PN 5018-640 MFR SPRING,HELICAL,COMPRES
KEY FEATURES
•
SPRING FREE OUTSIDE DIAMETER: 0.500 INCHES NOMINAL IN
•
END STYLE: SPRING END,PLAIN BOTH ENDS
•
SPRING SOLID LENGTH: 0.104 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CYLINDRICAL
•
SPRING FREE LENGTH: 0.375 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.448 INCHES NOMINAL IN
•
COIL QUANTITY: 4
•
SURFACE TREATMENT: CADMIUM OVERALL
TECHNICAL CHARACTERISTICS
SPRING FREE OUTSIDE DIAMETER0.500 INCHES NOMINAL IN
END STYLESPRING END,PLAIN BOTH ENDS
SPRING SOLID LENGTH0.104 INCHES NOMINAL IN
STYLE DESIGNATORCYLINDRICAL
SPRING FREE LENGTH0.375 INCHES NOMINAL IN
INSIDE DIAMETER0.448 INCHES NOMINAL IN
COIL QUANTITY4
SURFACE TREATMENTCADMIUM OVERALL
COIL HELIX DIRECTIONRIGHT-HAND
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
66434Reference document
Same NSN cross-reference
Reference document — Design control — primary 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 5018-640?
5018-640 is a SPRING,HELICAL,COMPRESSION.
What parts can replace 5018-640?
There is 1 known substitute for 5018-640: 66434. Substitute compatibility should be verified for your specific system.
What is the NSN for 5018-640?
5018-640 is cataloged in the U.S. Government catalog under NSN 5360-00-944-5345. 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.