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S1318790 — SPRING,HELICAL,EXTENSION

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

S1318790: SPRING,HELICAL,EXTENSION.

The SPRING,HELICAL,EXTENSION is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, end_style: RAISED HOOK BOTH ENDS, design_type: CLOSED, hook_radius: 0.125 INCHES NOMINAL BOTH ENDS IN, load_rating: 22.00 POUNDS NOMINAL LBS, coil_quantity: 17-1/4. This part is cataloged in the U.S.

Government catalog under NSN 5360-00-308-7425, 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
S1318790
NSN: 5360-00-308-7425
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 79500 — WESTINGHOUSE ELECTRIC CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
end_styleRAISED HOOK BOTH ENDS
design_typeCLOSED
hook_radius0.125 INCHES NOMINAL BOTH ENDS IN
load_rating22.00 POUNDS NOMINAL LBS
coil_quantity17-1/4
opening_width0.250 INCHES NOMINAL BOTH ENDS IN
inside_diameter0.594 INCHES NOMINAL IN
style_designatorCYLINDRICAL
spring_free_length2.531 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND OR LEFT-HAND
spring_length_under_load4.562 INCHES NOMINAL IN
NSN5360-00-308-7425
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING,HELICAL,EXTENSION TITLE COMPONENT PN S1318790 MFR SPRING,HELICAL,EXTENSI
KEY FEATURES
•
SPRING FREE OUTSIDE DIAMETER: 0.750 INCHES NOMINAL IN
•
LOAD RATING: 22.00 POUNDS NOMINAL LBS
•
END STYLE: RAISED HOOK BOTH ENDS
•
DESIGN TYPE: CLOSED
•
STYLE DESIGNATOR: CYLINDRICAL
•
OPENING WIDTH: 0.250 INCHES NOMINAL BOTH ENDS IN
•
SPRING FREE LENGTH: 2.531 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.594 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SPRING FREE OUTSIDE DIAMETER0.750 INCHES NOMINAL IN
LOAD RATING22.00 POUNDS NOMINAL LBS
END STYLERAISED HOOK BOTH ENDS
DESIGN TYPECLOSED
STYLE DESIGNATORCYLINDRICAL
OPENING WIDTH0.250 INCHES NOMINAL BOTH ENDS IN
SPRING FREE LENGTH2.531 INCHES NOMINAL IN
INSIDE DIAMETER0.594 INCHES NOMINAL IN
SPRING LENGTH UNDER LOAD4.562 INCHES NOMINAL IN
COIL QUANTITY17-1/4
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 1
37J735SH1ITEM5Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 S1318790?
S1318790 is a SPRING,HELICAL,EXTENSION.
What parts can replace S1318790?
There is 1 known substitute for S1318790: 37J735SH1ITEM5. Substitute compatibility should be verified for your specific system.
What is the NSN for S1318790?
S1318790 is cataloged in the U.S. Government catalog under NSN 5360-00-308-7425. 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.