The Spring,helical,extension, cataloged under National Stock Number 5360-00-601-1106, 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14 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-601-1106 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.830 INCHES NOMINAL IN |
| End Style | MACHINE LOOP SECOND END |
| End Style | HAND LOOP FIRST END |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Opening Width | 6.700 INCHES NOMINAL SECOND END IN |
| Material Document and Classification | QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 13.050 INCHES NOMINAL IN |
| Spring Deflection Rate | 6.000 POUNDS PER INCH NOMINAL LBS |
| Coil to Hook Inside Length | 0.780 INCHES NOMINAL FIRST END IN |
| Coil to Hook Inside Length | 7.000 INCHES NOMINAL SECOND END IN |
| Inside Diameter | 0.640 INCHES NOMINAL IN |
| Coil Quantity | 53-1/2 |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| 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 |
|---|---|
| 354703-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5360-00-601-1106 is a Spring,helical,extension, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5310-01-565-7179. Verify interchangeability with system specifications before substitution.
Key specifications for 5360-00-601-1106: Spring Free Outside Diameter: 0.830 INCHES NOMINAL IN; End Style: MACHINE LOOP SECOND END; End Style: HAND LOOP FIRST END; Design Type: CLOSED. 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.