The Spring,helical,extension, cataloged under National Stock Number 5360-01-174-2266, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5360-01-174-2266 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.406 INCHES NOMINAL IN |
| End Style | FULL LOOP BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 8.375 INCHES NOMINAL IN |
| Spring Deflection Rate | 4.400 POUNDS PER INCH NOMINAL LBS |
| Coil to Hook Inside Length | 0.406 INCHES NOMINAL BOTH ENDS IN |
| Inside Diameter | 0.282 INCHES NOMINAL IN |
| Coil Quantity | 122 |
| Coil Helix Direction | LEFT-HAND |
| Material | STEEL OVERALL |
| Hook Radius | 0.203 INCHES NOMINAL BOTH ENDS IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| E13/32X16X8 3/8 | 3/9 Design control — primary reference U.S. Government activity |
| 1200-266 | 5/9 Secondary reference U.S. Government activity |
NSN 5360-01-174-2266 is a Spring,helical,extension, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
Key specifications for 5360-01-174-2266: Spring Free Outside Diameter: 0.406 INCHES NOMINAL IN; End Style: FULL LOOP BOTH ENDS; Design Type: CLOSED; Style Designator: CYLINDRICAL. 13 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.
NSN 5360-01-174-2266 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.