The Spring,helical,torsion, cataloged under National Stock Number 5360-00-159-3949, 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13 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-159-3949 |
| Item Name | Spring,helical,torsion |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.500 INCHES NOMINAL IN |
| End Style | HALF HOOK SECOND END |
| End Style | ONE HOOK END FIRST END |
| Style Designator | SINGLE TORSION LEFT HAND |
| Material Document and Classification | QQ-W-423,COND B FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 0.500 INCHES NOMINAL IN |
| Inside Diameter | 0.432 INCHES NOMINAL IN |
| End Length From First Bend to Second Bend or End | 0.127 INCHES NOMINAL OVERALL IN |
| Coil Quantity | 14 |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL COMP 316 OVERALL |
| End Length From Second Bend to Third Bend or End | 0.127 INCHES NOMINAL OVERALL IN |
| End Angular Relationship | ENDS PARALLEL ONE TO OTHER |
| 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 |
|---|---|
| SMB282286 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5360-00-159-3949 is a Spring,helical,torsion, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
Key specifications for 5360-00-159-3949: Spring Free Outside Diameter: 0.500 INCHES NOMINAL IN; End Style: HALF HOOK SECOND END; End Style: ONE HOOK END FIRST END; Style Designator: SINGLE TORSION LEFT HAND. 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.
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.