The Spring,helical,torsion, cataloged under National Stock Number 5360-00-331-2574, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-331-2574 |
| Item Name | Spring,helical,torsion |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.750 INCHES NOMINAL IN |
| Offset Length | 0.625 INCHES NOMINAL BOTH ENDS IN |
| End Style | STRAIGHT HOOK END (RIGHT) BOTH ENDS |
| End Length | 1.250 INCHES NOMINAL SECOND END IN |
| End Length | 1.000 INCHES NOMINAL FIRST END IN |
| Style Designator | SINGLE TORSION RIGHT HAND |
| Spring Free Length | 0.3995 INCHES NOMINAL IN |
| Inside Diameter | 0.608 INCHES NOMINAL IN |
| End Length From First Bend to Second Bend or End | 0.312 INCHES NOMINAL FIRST END IN |
| End Length From First Bend to Second Bend or End | 1.296 INCHES NOMINAL SECOND END IN |
| Coil Quantity | 4-1/2 |
| End Length From Coil Axis to First Bend | 0.125 INCHES NOMINAL SECOND END IN |
| End Length From Coil Axis to First Bend | 0.926 INCHES NOMINAL FIRST END IN |
| End Length From Third Bend or End | 0.312 INCHES NOMINAL BOTH ENDS IN |
| Coil Helix Direction | RIGHT-HAND |
| Material | STEEL OVERALL |
| End Length From Second Bend to Third Bend or End | 0.312 INCHES NOMINAL SECOND END IN |
| End Length From Second Bend to Third Bend or End | 0.423 INCHES NOMINAL FIRST END IN |
| End Angular Relationship | ENDS ANGLED ONE TO OTHER |
| End Tangent Angle | 10.0 DEGREES NOMINAL |
| 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 |
|---|---|
| DG8079-1 | 5/9 Secondary reference U.S. Government activity |
| 8144585 | 5/9 Secondary reference Us Army Aviation and Missile Command |
| 024-8079-01 | 5/9 Secondary reference U.S. Government activity |
| 081-85-18 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5360-00-331-2574 is a Spring,helical,torsion, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
Key specifications for 5360-00-331-2574: Spring Free Outside Diameter: 0.750 INCHES NOMINAL IN; Offset Length: 0.625 INCHES NOMINAL BOTH ENDS IN; End Style: STRAIGHT HOOK END (RIGHT) BOTH ENDS; End Length: 1.250 INCHES NOMINAL SECOND END IN. 20 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.