The Spring,helical,torsion, cataloged under National Stock Number 5360-01-666-7780, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Ohio Ordnance Works Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-666-7780 |
| Primary Part Number | 12976844 |
| Item Name | Spring,helical,torsion |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Ohio Ordnance Works Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| 12976844 PRIMARY | Ohio Ordnance Works Inc (USA) |
| Reference | Meaning |
|---|---|
| 5360PL2206866 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5360-01-666-7780 is a Spring,helical,torsion, manufactured by Ohio Ordnance Works Inc, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-666-7780 has 1 manufacturer part number on file: 12976844 (Ohio Ordnance Works Inc).
Key specifications for 12976844: Special Features: 0.586 IN. LG,0.49 IN. W IN; Part Name Assigned by Controlling Agency: HELICAL TORSION SPRING; End Item Identification: 7.62 MM MACHINE GUN MM. 0 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.