The Spring,helical,extension, cataloged under National Stock Number 5360-01-449-3215, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-449-3215 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.500 INCHES NOMINAL IN |
| End Style | SHORT TWISTED HOOK BOTH ENDS |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | ASTM A313 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Spring Free Length | 1.250 INCHES NOMINAL IN |
| Spring Deflection Rate | 2.374 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 0.426 INCHES NOMINAL IN |
| Stock Diameter | 0.037 INCHES NOMINAL IN |
| Coil Quantity | 10 |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL COMP 302 AND STEEL COMP 304 OVERALL |
| Hook Radius | 0.125 INCHES NOMINAL SECOND END IN |
| 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 |
|---|---|
| MS24586C157 | 2/2 Government specification standardization U.S. Government activity |
NSN 5360-01-449-3215 is a Spring,helical,extension, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
Key specifications for 5360-01-449-3215: Spring Free Outside Diameter: 0.500 INCHES NOMINAL IN; End Style: SHORT TWISTED HOOK BOTH ENDS; Style Designator: CYLINDRICAL; Material Document and Classification: ASTM A313 ASSN STD ALL MATERIAL RESPONSES OVERALL. 12 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.