The Spring,spiral,torsion, cataloged under National Stock Number 5360-00-557-0487, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Triumph Thermal Systems, Llc. 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 | 5360-00-557-0487 |
| Primary Part Number | U536718 |
| Item Name | Spring,spiral,torsion |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Triumph Thermal Systems, Llc |
| Status | ACTIVE |
| Material Hardness Rating | 48.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM |
| Surface Treatment Document and Classification | MIL-C-26074, CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Stock Width | 0.188 INCHES NOMINAL IN |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Coil Quantity | 7-3/4 |
| Surface Treatment | NICKEL OVERALL |
| Material | STEEL COMP 1095 OVERALL |
| Stock Thickness | 0.010 INCHES NOMINAL IN |
| 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 |
|---|---|
| U536718 PRIMARY | Triumph Thermal Systems, Llc (USA) |
NSN 5360-00-557-0487 is a Spring,spiral,torsion, manufactured by Triumph Thermal Systems, Llc, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-557-0487 has 1 manufacturer part number on file: U536718 (Triumph Thermal Systems, Llc).
Key specifications for U536718: Material Hardness Rating: 48.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM; Surface Treatment Document and Classification: MIL-C-26074, CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Stock Width: 0.188 INCHES NOMINAL IN; Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 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.