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J0-4 — SPRING,HELICAL,COMPRESSION

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

J0-4: SPRING,HELICAL,COMPRESSION.

The SPRING,HELICAL,COMPRESSION is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, end_style: SPRING END,SQUARED AND GROUND BOTH ENDS, coil_quantity: 9-7/8, inside_diameter: 1.375 INCHES NOMINAL IN, style_designator: CYLINDRICAL, surface_treatment: CADMIUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5360-00-291-7089, 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
J0-4
NSN: 5360-00-291-7089
NIINs: 002917089, 015028759
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 38056 — ASHCROFT INC DBA HEISE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
coil_quantity9-7/8
inside_diameter1.375 INCHES NOMINAL IN
style_designatorCYLINDRICAL
surface_treatmentCADMIUM OVERALL
spring_free_length4.500 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND
spring_deflection_rate299.000 POUNDS PER INCH NOMINAL LBS
spring_free_outside_diameter1.944 INCHES NOMINAL IN
NSN5360-00-291-7089
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING,HELICAL,COMPRESSION TITLE COMPONENT PN J0-4 MFR SPRING,HELICAL,COMPRES
KEY FEATURES
•
SPRING FREE OUTSIDE DIAMETER: 1.944 INCHES NOMINAL IN
•
END STYLE: SPRING END,SQUARED AND GROUND BOTH ENDS
•
STYLE DESIGNATOR: CYLINDRICAL
•
SPRING FREE LENGTH: 4.500 INCHES NOMINAL IN
•
SPRING DEFLECTION RATE: 299.000 POUNDS PER INCH NOMINAL LBS
•
INSIDE DIAMETER: 1.375 INCHES NOMINAL IN
•
COIL QUANTITY: 9-7/8
•
SURFACE TREATMENT: CADMIUM OVERALL
TECHNICAL CHARACTERISTICS
SPRING FREE OUTSIDE DIAMETER1.944 INCHES NOMINAL IN
END STYLESPRING END,SQUARED AND GROUND BOTH ENDS
STYLE DESIGNATORCYLINDRICAL
SPRING FREE LENGTH4.500 INCHES NOMINAL IN
SPRING DEFLECTION RATE299.000 POUNDS PER INCH NOMINAL LBS
INSIDE DIAMETER1.375 INCHES NOMINAL IN
COIL QUANTITY9-7/8
SURFACE TREATMENTCADMIUM OVERALL
COIL HELIX DIRECTIONRIGHT-HAND
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
W98070PC39Reference document
Same NSN cross-reference
Reference document — Secondary reference
W98070-39Reference 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 J0-4?
J0-4 is a SPRING,HELICAL,COMPRESSION.
What parts can replace J0-4?
There are 2 known substitutes for J0-4: W98070PC39, W98070-39. Substitute compatibility should be verified for your specific system.
What is the NSN for J0-4?
J0-4 is cataloged in the U.S. Government catalog under NSN 5360-00-291-7089. 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.