The Spring,helical,extension, cataloged under National Stock Number 5360-01-564-2775, 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 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-564-2775 |
| Primary Part Number | LE 055E 07 S |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Lee Spring Company Llc |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.500 INCHES NOMINAL IN |
| Load Rating | 10.99 POUNDS NOMINAL LBS |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 2.750 INCHES NOMINAL IN |
| Inside Diameter | 0.490 INCHES NOMINAL IN |
| Coil Quantity | 34.6 |
| Material | STEEL 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 |
|---|---|
| LE 055E 07 S PRIMARY | Lee Spring Company Llc (USA) |
| Reference | Meaning |
|---|---|
| LE 055E 07 S | 5/9 Secondary reference Lee Spring Co Inc Sub of Unimax Corp |
| LE 055E 07 S | 3/9 Design control — primary reference Lee Spring Co |
NSN 5360-01-564-2775 is a Spring,helical,extension, manufactured by Lee Spring Company Llc, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-564-2775 has 1 manufacturer part number on file: LE 055E 07 S (Lee Spring Company Llc).
Key specifications for LE 055E 07 S: Spring Free Outside Diameter: 0.500 INCHES NOMINAL IN; Load Rating: 10.99 POUNDS NOMINAL LBS; Style Designator: CYLINDRICAL; Spring Free Length: 2.750 INCHES NOMINAL IN. 7 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.