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4M1678 — SPRING,HELICAL,COMPRESSION

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

4M1678: SPRING,HELICAL,COMPRESSION.

The SPRING,HELICAL,COMPRESSION is a the manufacturer industrial component. Key specifications include material: STEEL UNS K06701 OR STEEL UNS K07001 OVERALL, end_style: SPRING END,SQUARED AND GROUND BOTH ENDS, coil_quantity: 29.5, inside_diameter: 0.377 INCHES NOMINAL IN, style_designator: CYLINDRICAL, spring_free_length: 3.980 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5360-00-930-0289, 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
4M1678
NSN: 5360-00-930-0289
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialSTEEL UNS K06701 OR STEEL UNS K07001 OVERALL
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
coil_quantity29.5
inside_diameter0.377 INCHES NOMINAL IN
style_designatorCYLINDRICAL
spring_free_length3.980 INCHES NOMINAL IN
spring_solid_length2.700 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND
spring_free_outside_diameter0.560 INCHES NOMINAL IN
material_document_and_classification1E58,CATERPILLAR TRACTOR CO MFR REF SINGLE MATERIAL RESPONSE OVERALL
NSN5360-00-930-0289
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING,HELICAL,COMPRESSION TITLE COMPONENT PN 4M1678 MFR SPRING,HELICAL,COMPRES
KEY FEATURES
•
SPRING FREE OUTSIDE DIAMETER: 0.560 INCHES NOMINAL IN
•
END STYLE: SPRING END,SQUARED AND GROUND BOTH ENDS
•
SPRING SOLID LENGTH: 2.700 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CYLINDRICAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: 1E58,CATERPILLAR TRACTOR CO MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
SPRING FREE LENGTH: 3.980 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.377 INCHES NOMINAL IN
•
COIL QUANTITY: 29.5
TECHNICAL CHARACTERISTICS
SPRING FREE OUTSIDE DIAMETER0.560 INCHES NOMINAL IN
END STYLESPRING END,SQUARED AND GROUND BOTH ENDS
SPRING SOLID LENGTH2.700 INCHES NOMINAL IN
STYLE DESIGNATORCYLINDRICAL
MATERIAL DOCUMENT AND CLASSIFICATION1E58,CATERPILLAR TRACTOR CO MFR REF SINGLE MATERIAL RESPONSE OVERALL
SPRING FREE LENGTH3.980 INCHES NOMINAL IN
INSIDE DIAMETER0.377 INCHES NOMINAL IN
COIL QUANTITY29.5
COIL HELIX DIRECTIONRIGHT-HAND
MATERIALSTEEL UNS K06701 OR STEEL UNS K07001 OVERALL
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4M1678?
4M1678 is a SPRING,HELICAL,COMPRESSION.
What is the NSN for 4M1678?
4M1678 is cataloged in the U.S. Government catalog under NSN 5360-00-930-0289. 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.