The Spring,helical,torsion, cataloged under National Stock Number 5360-01-040-4428, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-040-4428 |
| Item Name | Spring,helical,torsion |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Status | ACTIVE |
| Spring Free Outside Diameter | 1.056 INCHES MINIMUM AND 1.126 INCHES MAXIMUM IN |
| End Style | CURVED END OVERALL |
| Center Section Width | 0.746 INCHES MINIMUM AND 0.866 INCHES MAXIMUM IN |
| Style Designator | SINGLE TORSION RIGHT HAND |
| Material Document and Classification | QQ-W-470 FED SPEC 1ST MATERIAL RESPONSE OR AMS 5112 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| Coil Axis to Center Section Distance | 0.560 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN |
| Inside Diameter | 0.870 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN |
| Coil Quantity | 10 |
| Coil Helix Direction | LEFT-HAND |
| Material | STEEL UNS K08500 OR STEEL COMP 1090 OVERALL |
| End Angular Relationship | ENDS PARALLEL ONE TO OTHER |
| Hook Radius | 0.080 INCHES MINIMUM AND 0.110 INCHES MAXIMUM OVERALL 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 |
|---|---|
| 12251201-5 | 5/9 Secondary reference U.S. Government activity |
| 12251201-5 | 5/9 Secondary reference Gulf Coast Holdings, Inc Dba Unidynamics |
| 12251201-5 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5360-01-040-4428 is a Spring,helical,torsion, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
Key specifications for 5360-01-040-4428: Spring Free Outside Diameter: 1.056 INCHES MINIMUM AND 1.126 INCHES MAXIMUM IN; End Style: CURVED END OVERALL; Center Section Width: 0.746 INCHES MINIMUM AND 0.866 INCHES MAXIMUM IN; Style Designator: SINGLE TORSION RIGHT HAND. 12 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.