The Spring,helical,compression, cataloged under National Stock Number 5360-00-991-6959, 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 10 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-991-6959 |
| Primary Part Number | LC 042F 05 S |
| 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 | 0.420 INCHES NOMINAL IN |
| End Style | SPRING END,SQUARED AND GROUND BOTH ENDS |
| Spring Solid Length | 0.316 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 1.000 INCHES NOMINAL IN |
| Spring Deflection Rate | 13.330 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 0.336 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Coil Helix Direction | LEFT-HAND |
| Bore Diameter | 0.438 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 |
|---|---|
| LC 042F 05 S PRIMARY | Lee Spring Company Llc (USA) |
| Reference | Meaning |
|---|---|
| LC-042-5SS | 5/9 Secondary reference U.S. Government activity |
| LC042F5 | 3/9 Design control — primary reference U.S. Government activity |
| LC042F5 | 3/1 Design control — primary reference Lee Spring Company Llc |
| LC-042-5SS | 5/9 Secondary reference Lee Spring Company Llc |
NSN 5360-00-991-6959 is a Spring,helical,compression, manufactured by Lee Spring Company Llc, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-991-6959 has 1 manufacturer part number on file: LC 042F 05 S (Lee Spring Company Llc).
Key specifications for LC 042F 05 S: Spring Free Outside Diameter: 0.420 INCHES NOMINAL IN; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS; Spring Solid Length: 0.316 INCHES NOMINAL IN; Style Designator: CYLINDRICAL. 10 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.