The Spring,helical,torsion, cataloged under National Stock Number 5360-00-657-6746, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5360-00-657-6746 |
| Item Name | Spring,helical,torsion |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.927 INCHES NOMINAL IN |
| End Style | SMALL OFFSET HOOK AT SIDE SECOND END |
| End Style | ONE HOOK END FIRST END |
| Style Designator | SINGLE TORSION LEFT HAND |
| Inside Diameter | 0.673 INCHES MINIMUM AND 0.703 INCHES MAXIMUM IN |
| Coil Quantity | 4 |
| Material | STEEL OVERALL |
| End Length From Second Bend to Third Bend or End | 0.300 INCHES NOMINAL SECOND END IN |
| End Angular Relationship | END W/RH HELIX OF COIL PARALLEL TO CENTER SECTION |
| Hook Radius | 0.130 INCHES NOMINAL SECOND END 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 |
|---|---|
| 803326 | C/1 Advisory reference — outside the item-of-supply concept Mag Aerospace Industries, Llc Div Safran Cabins |
| 803326 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5360-00-657-6746 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): 5905-01-121-2204. Verify interchangeability with system specifications before substitution.
Key specifications for 5360-00-657-6746: Spring Free Outside Diameter: 0.927 INCHES NOMINAL IN; End Style: SMALL OFFSET HOOK AT SIDE SECOND END; End Style: ONE HOOK END FIRST END; Style Designator: SINGLE TORSION LEFT HAND. 10 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.