The Spring,helical,torsion, cataloged under National Stock Number 5360-01-157-0784, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Ruggles-Klingemann Mfg Co Dba the Ruggles-Klingemann Company. Government technical data includes 8 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-157-0784 |
| Primary Part Number | 1S-5399-31 |
| Item Name | Spring,helical,torsion |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Ruggles-Klingemann Mfg Co Dba the Ruggles-Klingemann Company |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.525 INCHES NOMINAL IN |
| Center Section Width | 0.438 INCHES NOMINAL IN |
| Style Designator | SINGLE TORSION RIGHT HAND |
| Spring Free Length | 1.625 INCHES NOMINAL IN |
| Coil Axis to Center Section Distance | 0.4565 INCHES NOMINAL IN |
| Inside Diameter | 0.438 INCHES NOMINAL IN |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| End Angular Relationship | ENDS PARALLEL ONE TO OTHER |
| 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 |
|---|---|
| 1S-5399-31 PRIMARY | Ruggles-Klingemann Mfg Co Dba the Ruggles-Klingemann Company (USA) |
NSN 5360-01-157-0784 is a Spring,helical,torsion, manufactured by Ruggles-Klingemann Mfg Co Dba the Ruggles-Klingemann Company, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-157-0784 has 1 manufacturer part number on file: 1S-5399-31 (Ruggles-Klingemann Mfg Co Dba the Ruggles-Klingemann Company).
Key specifications for 1S-5399-31: Spring Free Outside Diameter: 0.525 INCHES NOMINAL IN; Center Section Width: 0.438 INCHES NOMINAL IN; Style Designator: SINGLE TORSION RIGHT HAND; Spring Free Length: 1.625 INCHES NOMINAL IN. 8 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.