The Spring,helical,torsion, cataloged under National Stock Number 5360-01-481-3548, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-481-3548 |
| Primary Part Number | 123-1680561 PC 13 |
| Item Name | Spring,helical,torsion |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Spring Free Outside Diameter | 1.688 INCHES NOMINAL IN |
| End Style | ONE HOOK END SECOND END |
| End Style | ONE HOOK END FIRST END |
| End Length | 1.375 INCHES NOMINAL SECOND END IN |
| End Length | 1.188 INCHES NOMINAL FIRST END IN |
| Style Designator | SINGLE TORSION LEFT HAND |
| Material Document and Classification | MIL-S-16410 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 0.625 INCHES NOMINAL IN |
| Inside Diameter | 1.188 INCHES NOMINAL IN |
| Coil Quantity | 4-3/20 |
| Coil Helix Direction | LEFT-HAND |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 123-1680561 PC 13 PRIMARY | Naval Sea Systems Command (USA) |
| 123-1680562 PC 13 | Naval Sea Systems Command (USA) |
NSN 5360-01-481-3548 is a Spring,helical,torsion, manufactured by Naval Sea Systems Command, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-481-3548 has 2 manufacturer part numbers on file: 123-1680561 PC 13 (Naval Sea Systems Command), 123-1680562 PC 13 (Naval Sea Systems Command).
Key specifications for 123-1680561 PC 13: Spring Free Outside Diameter: 1.688 INCHES NOMINAL IN; End Style: ONE HOOK END SECOND END; End Style: ONE HOOK END FIRST END; End Length: 1.375 INCHES NOMINAL SECOND END IN. 13 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.