The Spring,helical,extension, cataloged under National Stock Number 5360-01-071-7528, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5360-01-071-7528 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.750 INCHES MINIMUM AND 0.850 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | TT-E-496 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| End Style | MACHINE CUT-OFF BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | QQ-W-465,CLASS A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Surface Treatment | ENAMEL OVERALL |
| Coil Helix Direction | LEFT-HAND |
| Material | STEEL 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 |
|---|---|
| 4185908-1 | 3/2 Design control — primary reference U.S. Government activity |
| 4185908-1 | 8/1 NATO reproduction reference Fnss Savunma Sistemleri Anonim Sirketi |
NSN 5360-01-071-7528 is a Spring,helical,extension, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
Key specifications for 5360-01-071-7528: Spring Free Outside Diameter: 0.750 INCHES MINIMUM AND 0.850 INCHES MAXIMUM IN; Surface Treatment Document and Classification: TT-E-496 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; End Style: MACHINE CUT-OFF BOTH ENDS; Design Type: CLOSED. 9 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.