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2878309 — SPRING,HELICAL,COMPRESSION

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

2878309: SPRING,HELICAL,COMPRESSION.

The SPRING,HELICAL,COMPRESSION is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, end_style: SPRING END,SQUARED BOTH ENDS, inside_diameter: 0.250 INCHES NOMINAL IN, style_designator: TAPERED, surface_treatment: NICKEL OVERALL, spring_free_length: 0.375 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5360-01-051-2245, 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
2878309
NSN: 5360-01-051-2245
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
end_styleSPRING END,SQUARED BOTH ENDS
coil_quantity4
inside_diameter0.250 INCHES NOMINAL IN
style_designatorTAPERED
surface_treatmentNICKEL OVERALL
spring_free_length0.375 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND OR LEFT-HAND
accommodated_rod_diameter0.125 INCHES NOMINAL IN
spring_free_outside_diameter0.750 INCHES NOMINAL IN
NSN5360-01-051-2245
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING,HELICAL,COMPRESSION TITLE COMPONENT PN 2878309 MFR SPRING,HELICAL,COMPRES
KEY FEATURES
•
SPRING FREE OUTSIDE DIAMETER: 0.750 INCHES NOMINAL IN
•
END STYLE: SPRING END,SQUARED BOTH ENDS
•
ACCOMMODATED ROD DIAMETER: 0.125 INCHES NOMINAL IN
•
STYLE DESIGNATOR: TAPERED
•
SPRING FREE LENGTH: 0.375 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.250 INCHES NOMINAL IN
•
COIL QUANTITY: 4
•
SURFACE TREATMENT: NICKEL OVERALL
TECHNICAL CHARACTERISTICS
SPRING FREE OUTSIDE DIAMETER0.750 INCHES NOMINAL IN
END STYLESPRING END,SQUARED BOTH ENDS
ACCOMMODATED ROD DIAMETER0.125 INCHES NOMINAL IN
STYLE DESIGNATORTAPERED
SPRING FREE LENGTH0.375 INCHES NOMINAL IN
INSIDE DIAMETER0.250 INCHES NOMINAL IN
COIL QUANTITY4
SURFACE TREATMENTNICKEL OVERALL
COIL HELIX DIRECTIONRIGHT-HAND OR LEFT-HAND
MATERIALCOPPER ALLOY 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
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2878309?
2878309 is a SPRING,HELICAL,COMPRESSION.
What is the NSN for 2878309?
2878309 is cataloged in the U.S. Government catalog under NSN 5360-01-051-2245. 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.