The Spring,helical,compression, cataloged under National Stock Number 5360-00-663-3124, 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 9 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-663-3124 |
| Primary Part Number | FS12-580-6 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Lee Spring Company Llc |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.250 INCHES NOMINAL IN |
| End Style | SPRING END,SQUARED BOTH ENDS |
| Spring Solid Length | 0.250 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 0.500 INCHES NOMINAL IN |
| Inside Diameter | 0.4598 INCHES NOMINAL IN |
| Coil Quantity | 11 |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL CORROSION RESISTING OVERALL |
| 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 |
|---|---|
| FS12-580-6 | Lee Spring Company Llc (USA) |
| Reference | Meaning |
|---|---|
| JHP124-058-4 | 5/9 Secondary reference Hollingsworth John R Co |
| 575-3100-1444661REVAPC95 | D/9 Drawing number reference only U.S. Government activity |
| 12-580PC12-580-6 | 5/1 Secondary reference Automatic Switch Company Dba Asco |
| 7268DR1REVAPC95 | 5/9 Secondary reference General Electric Company |
| 12-580-6 | 3/9 Design control — primary reference Automatic Switch Company Dba Asco |
NSN 5360-00-663-3124 is a Spring,helical,compression, manufactured by Lee Spring Company Llc, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-663-3124 has 1 manufacturer part number on file: FS12-580-6 (Lee Spring Company Llc).
2 possible matches (shared part number, not a government interchangeability claim): 5910-01-313-9908, 6750-01-427-0988. Verify interchangeability with system specifications before substitution.
Key specifications for FS12-580-6: Spring Free Outside Diameter: 0.250 INCHES NOMINAL IN; End Style: SPRING END,SQUARED BOTH ENDS; Spring Solid Length: 0.250 INCHES NOMINAL IN; Style Designator: CYLINDRICAL. 9 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.