The Spring,helical,torsion, cataloged under National Stock Number 5360-00-021-7984, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5360-00-021-7984 |
| Item Name | Spring,helical,torsion |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.560 INCHES NOMINAL IN |
| End Style | ONE HOOK END SECOND END |
| End Style | HINGE END FIRST END |
| Style Designator | SINGLE TORSION LEFT HAND |
| Spring Free Length | 0.800 INCHES NOMINAL IN |
| Inside Diameter | 0.400 INCHES NOMINAL IN |
| Coil Quantity | 6-1/2 |
| Coil Helix Direction | RIGHT-HAND |
| End Angular Relationship | ENDS ANGLED 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 |
|---|---|
| 26-16282-1 | 5/2 Secondary reference U.S. Government activity |
| 26-16282-1 | 3/9 Design control — primary reference The Boeing Company |
NSN 5360-00-021-7984 is a Spring,helical,torsion, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
Key specifications for 5360-00-021-7984: Spring Free Outside Diameter: 0.560 INCHES NOMINAL IN; End Style: ONE HOOK END SECOND END; End Style: HINGE END FIRST END; Style Designator: SINGLE TORSION LEFT HAND. 9 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.