The Spring,helical,torsion, cataloged under National Stock Number 5360-00-592-7939, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is R & R Spring Manufacturing Co Inc. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-592-7939 |
| Primary Part Number | 358971-1 |
| Item Name | Spring,helical,torsion |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | R & R Spring Manufacturing Co Inc |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.436 INCHES NOMINAL IN |
| End Style | ONE HOOK END OVERALL |
| End Length | 0.920 INCHES NOMINAL BOTH ENDS IN |
| Center Section Width | 0.980 INCHES NOMINAL IN |
| Style Designator | SINGLE TORSION RIGHT HAND |
| Material Document and Classification | MIL-W-6101 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 1.590 INCHES NOMINAL IN |
| Coil Axis to Center Section Distance | 0.920 INCHES NOMINAL IN |
| Inside Diameter | 0.300 INCHES NOMINAL IN |
| Coil Quantity | 2 |
| Material | STEEL OVERALL |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 358971-1 | R & R Spring Manufacturing Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 358971-1 | 5/9 Secondary reference U.S. Government activity |
| 358971-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5360-00-592-7939 is a Spring,helical,torsion, manufactured by R & R Spring Manufacturing Co Inc, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-592-7939 has 1 manufacturer part number on file: 358971-1 (R & R Spring Manufacturing Co Inc).
Key specifications for 358971-1: Spring Free Outside Diameter: 0.436 INCHES NOMINAL IN; End Style: ONE HOOK END OVERALL; End Length: 0.920 INCHES NOMINAL BOTH ENDS IN; Center Section Width: 0.980 INCHES NOMINAL IN. 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.