The Spring,helical,extension, cataloged under National Stock Number 5360-00-730-0858, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-730-0858 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.580 INCHES NOMINAL IN |
| Load Rating | 5.800 POUNDS NOMINAL LBS |
| End Style | SHORT TWISTED HOOK FIRST END |
| End Style | SINGLE FULL LOOP SECOND END |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 3.382 INCHES NOMINAL IN |
| Spring Deflection Rate | 1.900 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 0.480 INCHES NOMINAL IN |
| Spring Length Under Load | 5.700 INCHES NOMINAL IN |
| Coil Quantity | 40 |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL UNS K08500 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 |
|---|---|
| 36-4392 | 3/2 Design control — primary reference U.S. Government activity |
| 36-4392 | 5/2 Secondary reference U.S. Government activity |
NSN 5360-00-730-0858 is a Spring,helical,extension, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
Key specifications for 5360-00-730-0858: Spring Free Outside Diameter: 0.580 INCHES NOMINAL IN; Load Rating: 5.800 POUNDS NOMINAL LBS; End Style: SHORT TWISTED HOOK FIRST END; End Style: SINGLE FULL LOOP SECOND END. 14 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.