The Spring,helical,compression, cataloged under National Stock Number 5360-00-404-9503, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-404-9503 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.275 INCHES NOMINAL IN |
| End Style | SPRING END,SQUARED AND GROUND OVERALL |
| Spring Solid Length | 0.312 INCHES NOMINAL IN |
| Spring Free Length | 0.455 INCHES NOMINAL IN |
| Spring Deflection Rate | 5.860 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 0.206 INCHES NOMINAL IN |
| Stock Diameter | 0.0352 INCHES NOMINAL IN |
| Spring Solid Outside Diameter | 0.280 INCHES NOMINAL IN |
| Coil Quantity | 7 |
| Bore Diameter | 0.280 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 122771 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5360-00-404-9503 is a Spring,helical,compression, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5315-00-576-9876, 1660-01-175-8478. Verify interchangeability with system specifications before substitution.
Key specifications for 5360-00-404-9503: Spring Free Outside Diameter: 0.275 INCHES NOMINAL IN; End Style: SPRING END,SQUARED AND GROUND OVERALL; Spring Solid Length: 0.312 INCHES NOMINAL IN; Spring Free Length: 0.455 INCHES NOMINAL IN. 11 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.