The Spring,helical,extension, cataloged under National Stock Number 5360-00-331-0657, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-331-0657 |
| Primary Part Number | 8152479 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.251 INCHES NOMINAL IN |
| End Style | FULL LOOP BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | QQ-W-470A FED SPEC SINGLE MATERIAL RESPONSE OVERALL A |
| Spring Free Length | 1.439 INCHES NOMINAL IN |
| Inside Diameter | 0.188 INCHES NOMINAL IN |
| Coil Quantity | 24 |
| Surface Treatment | ZINC AND CHROMATE OVERALL |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Hook Radius | 0.188 INCHES NOMINAL BOTH ENDS IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 8152479 PRIMARY | Us Army Aviation and Missile Command (USA) |
NSN 5360-00-331-0657 is a Spring,helical,extension, manufactured by Us Army Aviation and Missile Command, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-331-0657 has 1 manufacturer part number on file: 8152479 (Us Army Aviation and Missile Command).
Key specifications for 8152479: Spring Free Outside Diameter: 0.251 INCHES NOMINAL IN; End Style: FULL LOOP BOTH ENDS; Design Type: CLOSED; Style Designator: CYLINDRICAL. 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.