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18318A — SPRING,HELICAL,COMPRESSION

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

18318A: SPRING,HELICAL,COMPRESSION.

The SPRING,HELICAL,COMPRESSION is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY OVERALL, end_style: SPRING END,SQUARED AND GROUND BOTH ENDS, coil_quantity: 5 1/2, inside_diameter: 0.625 INCHES NOMINAL IN, style_designator: CYLINDRICAL, spring_free_length: 0.563 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5360-01-062-4718, 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
18318A
NSN: 5360-01-062-4718
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 42223 — MYERS F E CO SUB OF PENTAIR CORP (USA)
SPECIFICATIONS
materialNICKEL ALLOY OVERALL
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
coil_quantity5 1/2
inside_diameter0.625 INCHES NOMINAL IN
style_designatorCYLINDRICAL
spring_free_length0.563 INCHES NOMINAL IN
spring_solid_length0.341 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND OR LEFT-HAND
spring_deflection_rate16.700 POUNDS PER INCH NOMINAL LBS
spring_free_outside_diameter0.875 INCHES MINIMUM AND 0.890 INCHES MAXIMUM IN
NSN5360-01-062-4718
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING,HELICAL,COMPRESSION TITLE COMPONENT PN 18318A MFR SPRING,HELICAL,COMPRES
KEY FEATURES
•
SPRING FREE OUTSIDE DIAMETER: 0.875 INCHES MINIMUM AND 0.890 INCHES MAXIMUM IN
•
END STYLE: SPRING END,SQUARED AND GROUND BOTH ENDS
•
SPRING SOLID LENGTH: 0.341 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CYLINDRICAL
•
SPRING FREE LENGTH: 0.563 INCHES NOMINAL IN
•
SPRING DEFLECTION RATE: 16.700 POUNDS PER INCH NOMINAL LBS
•
INSIDE DIAMETER: 0.625 INCHES NOMINAL IN
•
COIL QUANTITY: 5 1/2
TECHNICAL CHARACTERISTICS
SPRING FREE OUTSIDE DIAMETER0.875 INCHES MINIMUM AND 0.890 INCHES MAXIMUM IN
END STYLESPRING END,SQUARED AND GROUND BOTH ENDS
SPRING SOLID LENGTH0.341 INCHES NOMINAL IN
STYLE DESIGNATORCYLINDRICAL
SPRING FREE LENGTH0.563 INCHES NOMINAL IN
SPRING DEFLECTION RATE16.700 POUNDS PER INCH NOMINAL LBS
INSIDE DIAMETER0.625 INCHES NOMINAL IN
COIL QUANTITY5 1/2
COIL HELIX DIRECTIONRIGHT-HAND OR LEFT-HAND
MATERIALNICKEL ALLOY OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
A3-PS-000121 3Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
A3-PS-000121Reference 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 18318A?
18318A is a SPRING,HELICAL,COMPRESSION.
What parts can replace 18318A?
There are 2 known substitutes for 18318A: A3-PS-000121 3, A3-PS-000121. Substitute compatibility should be verified for your specific system.
What is the NSN for 18318A?
18318A is cataloged in the U.S. Government catalog under NSN 5360-01-062-4718. 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.