The Spring,helical,torsion, cataloged under National Stock Number 5360-00-446-4681, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5360-00-446-4681 |
| Item Name | Spring,helical,torsion |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.785 INCHES NOMINAL IN |
| End Style | SMALL OFFSET HOOK AT SIDE OVERALL |
| Style Designator | SINGLE TORSION LEFT HAND |
| Spring Free Length | 0.355 INCHES NOMINAL IN |
| Inside Diameter | 0.643 INCHES NOMINAL IN |
| Coil Quantity | 4 |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Coil Helix Direction | LEFT-HAND |
| End Length From Second Bend to Third Bend or End | 0.196 INCHES NOMINAL OVERALL IN |
| End Angular Relationship | END W/LH HELIX OF COIL PARALLEL TO CENTER SECTION AND END W/RH HELIX OF COIL PARALLEL TO CENTER SECTION |
| Hook Radius | 0.125 INCHES NOMINAL OVERALL IN |
| 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 |
|---|---|
| K616144-14 | 3/2 Design control — primary reference U.S. Government activity |
| 5360PL0170678 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5360-00-446-4681 is a Spring,helical,torsion, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
Key specifications for 5360-00-446-4681: Spring Free Outside Diameter: 0.785 INCHES NOMINAL IN; End Style: SMALL OFFSET HOOK AT SIDE OVERALL; Style Designator: SINGLE TORSION LEFT HAND; Spring Free Length: 0.355 INCHES NOMINAL IN. 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.