The Spring,helical,torsion, cataloged under National Stock Number 5360-00-340-6280, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5360-00-340-6280 |
| Item Name | Spring,helical,torsion |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.296 INCHES NOMINAL IN |
| End Style | HALF HOOK OVERALL |
| End Length | 0.750 INCHES NOMINAL BOTH ENDS IN |
| Center Section Width | 0.186 INCHES NOMINAL IN |
| Style Designator | SINGLE TORSION RIGHT HAND |
| Material Document and Classification | QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 0.470 INCHES NOMINAL IN |
| Coil Axis to Center Section Distance | 0.750 INCHES NOMINAL IN |
| Inside Diameter | 0.210 INCHES NOMINAL IN |
| End Length From First Bend to Second Bend or End | 0.150 INCHES NOMINAL OVERALL IN |
| Coil Quantity | 3-7/20 |
| Center Loop Radius | 0.100 INCHES NOMINAL IN |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL UNS K08500 OVERALL |
| End Length From Second Bend to Third Bend or End | 0.190 INCHES NOMINAL OVERALL IN |
| 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 |
|---|---|
| 762817 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5360-00-340-6280 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): 3040-01-339-1583. Verify interchangeability with system specifications before substitution.
Key specifications for 5360-00-340-6280: Spring Free Outside Diameter: 0.296 INCHES NOMINAL IN; End Style: HALF HOOK OVERALL; End Length: 0.750 INCHES NOMINAL BOTH ENDS IN; Center Section Width: 0.186 INCHES NOMINAL IN. 16 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.