The Spring,helical,torsion, cataloged under National Stock Number 5360-00-890-3239, 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13 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-890-3239 |
| Item Name | Spring,helical,torsion |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.560 INCHES MAXIMUM IN |
| End Style | SMALL OFFSET HOOK AT SIDE OVERALL |
| Style Designator | SINGLE TORSION LEFT HAND |
| Spring Free Length | 4.527 INCHES NOMINAL IN |
| Inside Diameter | 0.445 INCHES MINIMUM IN |
| Coil Quantity | 80 |
| Surface Treatment | PHOSPHATE OVERALL |
| Coil Helix Direction | LEFT-HAND |
| Material | STEEL OVERALL |
| End Length From Second Bend to Third Bend or End | 0.156 INCHES NOMINAL OVERALL IN |
| End Angular Relationship | ENDS ANGLED ONE TO OTHER |
| Hook Radius | 0.049 INCHES MINIMUM FIRST END IN |
| Hook Radius | 0.054 INCHES MAXIMUM BOTH ENDS IN |
| 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 |
|---|---|
| 5602-128 | 3/9 Design control — primary reference Recon/optical, Inc. |
| 5602-128 | 5/9 Secondary reference U.S. Government activity |
NSN 5360-00-890-3239 is a Spring,helical,torsion, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5331-01-435-3814. Verify interchangeability with system specifications before substitution.
Key specifications for 5360-00-890-3239: Spring Free Outside Diameter: 0.560 INCHES MAXIMUM IN; End Style: SMALL OFFSET HOOK AT SIDE OVERALL; Style Designator: SINGLE TORSION LEFT HAND; Spring Free Length: 4.527 INCHES NOMINAL IN. 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.