The Spring,helical,torsion, cataloged under National Stock Number 5360-01-476-4553, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Lee Spring Company Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-476-4553 |
| Primary Part Number | LT-063L-1-LSS |
| Item Name | Spring,helical,torsion |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Lee Spring Company Llc |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.560 INCHES NOMINAL IN |
| End Style | ONE HOOK END SECOND END |
| End Style | ONE HOOK END FIRST END |
| End Length | 2.000 INCHES NOMINAL FIRST END IN |
| End Length | 2.000 INCHES NOMINAL SECOND END IN |
| Style Designator | SINGLE TORSION LEFT HAND |
| Spring Free Length | 0.350 INCHES NOMINAL IN |
| Inside Diameter | 0.434 INCHES NOMINAL IN |
| Coil Quantity | 4-1/4 |
| Coil Helix Direction | LEFT-HAND |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| LT-063L-1-LSS PRIMARY | Lee Spring Company Llc (USA) |
| Reference | Meaning |
|---|---|
| LT-063L-1-LSS | 3/9 Design control — primary reference U.S. Government activity |
NSN 5360-01-476-4553 is a Spring,helical,torsion, manufactured by Lee Spring Company Llc, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-476-4553 has 1 manufacturer part number on file: LT-063L-1-LSS (Lee Spring Company Llc).
Key specifications for LT-063L-1-LSS: Spring Free Outside Diameter: 0.560 INCHES NOMINAL IN; End Style: ONE HOOK END SECOND END; End Style: ONE HOOK END FIRST END; End Length: 2.000 INCHES NOMINAL FIRST END 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.