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2018578 — SPRING,HELICAL,COMPRESSION

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

2018578: 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 ENDSSPRING END,SQUARED AND GROUND BOTH ENDS, coil_quantity: 7-1/27-1/2, inside_diameter: 2.500 INCHES MINIMUM AND 2.500 INCHES MINIMUM AND 2.625 INCHES MAXIMUM2.625 INCHES MAXIMUM IN, style_designator: CYLINDRICALCYLINDRICAL, spring_free_length: 7.125 INCHES MINIMUM AND 7.125 INCHES MINIMUM AND 7.375 INCHES MAXIMUM7.375 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5360-00-513-5834, 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
2018578
NSN: 5360-00-513-5834
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 7X677 — GENERAL MOTORS LLC DBA GENERAL MOTORS LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
end_styleSPRING END,SQUARED AND GROUND BOTH ENDSSPRING END,SQUARED AND GROUND BOTH ENDS
coil_quantity7-1/27-1/2
inside_diameter2.500 INCHES MINIMUM AND 2.500 INCHES MINIMUM AND 2.625 INCHES MAXIMUM2.625 INCHES MAXIMUM IN
style_designatorCYLINDRICALCYLINDRICAL
spring_free_length7.125 INCHES MINIMUM AND 7.125 INCHES MINIMUM AND 7.375 INCHES MAXIMUM7.375 INCHES MAXIMUM IN
coil_helix_directionRIGHT-HAND OR RIGHT-HAND OR LEFT-HANDLEFT-HAND
spring_free_outside_diameter3.750 INCHES MINIMUM AND 3.750 INCHES MINIMUM AND 3.875 INCHES MAXIMUM3.875 INCHES MAXIMUM IN
NSN5360-00-513-5834
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING,HELICAL,COMPRESSION TITLE COMPONENT PN 2018578 MFR SPRING,HELICAL,COMPRES
KEY FEATURES
•
SPRING FREE OUTSIDE DIAMETER: 3.750 INCHES MINIMUM AND 3.750 INCHES MINIMUM AND 3.875 INCHES MAXIMUM3.875 INCHES MAXIMUM IN
•
END STYLE: SPRING END,SQUARED AND GROUND BOTH ENDSSPRING END,SQUARED AND GROUND BOTH ENDS
•
STYLE DESIGNATOR: CYLINDRICALCYLINDRICAL
•
SPRING FREE LENGTH: 7.125 INCHES MINIMUM AND 7.125 INCHES MINIMUM AND 7.375 INCHES MAXIMUM7.375 INCHES MAXIMUM IN
•
INSIDE DIAMETER: 2.500 INCHES MINIMUM AND 2.500 INCHES MINIMUM AND 2.625 INCHES MAXIMUM2.625 INCHES MAXIMUM IN
•
COIL QUANTITY: 7-1/27-1/2
•
COIL HELIX DIRECTION: RIGHT-HAND OR RIGHT-HAND OR LEFT-HANDLEFT-HAND
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
SPRING FREE OUTSIDE DIAMETER3.750 INCHES MINIMUM AND 3.750 INCHES MINIMUM AND 3.875 INCHES MAXIMUM3.875 INCHES MAXIMUM IN
END STYLESPRING END,SQUARED AND GROUND BOTH ENDSSPRING END,SQUARED AND GROUND BOTH ENDS
STYLE DESIGNATORCYLINDRICALCYLINDRICAL
SPRING FREE LENGTH7.125 INCHES MINIMUM AND 7.125 INCHES MINIMUM AND 7.375 INCHES MAXIMUM7.375 INCHES MAXIMUM IN
INSIDE DIAMETER2.500 INCHES MINIMUM AND 2.500 INCHES MINIMUM AND 2.625 INCHES MAXIMUM2.625 INCHES MAXIMUM IN
COIL QUANTITY7-1/27-1/2
COIL HELIX DIRECTIONRIGHT-HAND OR RIGHT-HAND OR LEFT-HANDLEFT-HAND
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 6
123Reference document
Same NSN cross-reference
Reference document — Secondary reference
91224Reference document
Same NSN cross-reference
Reference document — Secondary reference
110297HReference document
Same NSN cross-reference
Reference document — Secondary reference
399952Reference document
Same NSN cross-reference
Reference document — Secondary reference
0E312Reference document
Same NSN cross-reference
Reference document — Secondary reference
152680Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2018578?
2018578 is a SPRING,HELICAL,COMPRESSION.
What parts can replace 2018578?
There are 6 known substitutes for 2018578: 123, 91224, 110297H and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2018578?
2018578 is cataloged in the U.S. Government catalog under NSN 5360-00-513-5834. 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.