The Spring,helical,torsion, cataloged under National Stock Number 5360-00-558-6533, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5360-00-558-6533 |
| Item Name | Spring,helical,torsion |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.744 INCHES MINIMUM AND 0.804 INCHES MAXIMUM IN |
| End Style | ONE HOOK END OVERALL |
| End Length | 1.580 INCHES NOMINAL BOTH ENDS IN |
| Center Section Width | 0.560 INCHES NOMINAL IN |
| Style Designator | SINGLE TORSION RIGHT HAND |
| Material Document and Classification | QQ-W-470,COMP A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 2.000 INCHES NOMINAL IN |
| Coil Axis to Center Section Distance | 0.718 INCHES NOMINAL IN |
| Inside Diameter | 0.420 INCHES MINIMUM AND 0.480 INCHES MAXIMUM IN |
| Coil Quantity | 3-1/2 AND 3-1/2 |
| Surface Treatment | CADMIUM OVERALL |
| Center Loop Radius | 0.300 INCHES NOMINAL IN |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL UNS K08500 OVERALL |
| End Angular Relationship | END W/LH HELIX OF COIL ANGLED TO CENTER SECTION AND END W/RH HELIX OF COIL ANGLED 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 |
| Reference | Meaning |
|---|---|
| CV15-405569-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5360-00-558-6533 is a Spring,helical,torsion, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
Key specifications for 5360-00-558-6533: Spring Free Outside Diameter: 0.744 INCHES MINIMUM AND 0.804 INCHES MAXIMUM IN; End Style: ONE HOOK END OVERALL; End Length: 1.580 INCHES NOMINAL BOTH ENDS IN; Center Section Width: 0.560 INCHES NOMINAL IN. 15 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.