The Spring,helical,torsion, cataloged under National Stock Number 5360-01-317-7566, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-317-7566 |
| Primary Part Number | 6309978 |
| Item Name | Spring,helical,torsion |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.660 INCHES MAXIMUM IN |
| End Style | STRAIGHT OFFSET FIRST END |
| End Style | STRAIGHT ANGULAR, LEFT END SECOND END |
| Style Designator | SINGLE TORSION LEFT HAND |
| Spring Free Length | 1.060 INCHES MINIMUM AND 1.110 INCHES MAXIMUM IN |
| Inside Diameter | 0.436 INCHES NOMINAL IN |
| End Length From First Bend to Second Bend or End | 0.270 INCHES MINIMUM AND 0.310 INCHES MAXIMUM SECOND END IN |
| Coil Quantity | 8 |
| Coil Helix Direction | LEFT-HAND |
| End Length From Second Bend to Third Bend or End | 0.280 INCHES MINIMUM AND 0.320 INCHES MAXIMUM SECOND END 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 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5360-01-317-7566 is a Spring,helical,torsion, manufactured by Naval Sea Systems Command, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-317-7566 has 2 manufacturer part numbers on file: 6309978 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)), 6309978 (Naval Sea Systems Command).
Key specifications for 6309978: Spring Free Outside Diameter: 0.660 INCHES MAXIMUM IN; End Style: STRAIGHT OFFSET FIRST END; End Style: STRAIGHT ANGULAR, LEFT END SECOND END; Style Designator: SINGLE TORSION LEFT HAND. 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.