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4990493-1 — SPRING,HELICAL,COMPRESSION

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

4990493-1: 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, inside_diameter: 0.906 INCHES NOMINAL IN, style_designator: CYLINDRICAL, spring_free_length: 1.000 INCHES NOMINAL IN, spring_solid_length: 0.438 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5360-00-597-0766, 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
4990493-1
NSN: 5360-00-597-0766
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialSTEEL OVERALL
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
coil_quantity4
inside_diameter0.906 INCHES NOMINAL IN
style_designatorCYLINDRICAL
spring_free_length1.000 INCHES NOMINAL IN
spring_solid_length0.438 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND OR LEFT-HAND
spring_free_outside_diameter1.125 INCHES NOMINAL IN
NSN5360-00-597-0766
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING,HELICAL,COMPRESSION TITLE COMPONENT PN 4990493-1 MFR SPRING,HELICAL,COMPRES
KEY FEATURES
•
SPRING FREE OUTSIDE DIAMETER: 1.125 INCHES NOMINAL IN
•
END STYLE: SPRING END,SQUARED AND GROUND BOTH ENDS
•
SPRING SOLID LENGTH: 0.438 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CYLINDRICAL
•
SPRING FREE LENGTH: 1.000 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.906 INCHES NOMINAL IN
•
COIL QUANTITY: 4
•
COIL HELIX DIRECTION: RIGHT-HAND OR LEFT-HAND
TECHNICAL CHARACTERISTICS
SPRING FREE OUTSIDE DIAMETER1.125 INCHES NOMINAL IN
END STYLESPRING END,SQUARED AND GROUND BOTH ENDS
SPRING SOLID LENGTH0.438 INCHES NOMINAL IN
STYLE DESIGNATORCYLINDRICAL
SPRING FREE LENGTH1.000 INCHES NOMINAL IN
INSIDE DIAMETER0.906 INCHES NOMINAL IN
COIL QUANTITY4
COIL HELIX DIRECTIONRIGHT-HAND OR LEFT-HAND
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
8328052Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
1188660Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4990493-1?
4990493-1 is a SPRING,HELICAL,COMPRESSION.
What parts can replace 4990493-1?
There are 2 known substitutes for 4990493-1: 8328052, 1188660. Substitute compatibility should be verified for your specific system.
What is the NSN for 4990493-1?
4990493-1 is cataloged in the U.S. Government catalog under NSN 5360-00-597-0766. 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.