The Spring,helical,extension, cataloged under National Stock Number 5360-01-239-1431, 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. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 — Coil, Flat, Leaf, and Wire Springs (FSG 53) |
| Manufacturers | Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service (CAGE 01365); Lee Spring Company Llc (CAGE 1A699) |
| Parameter | Value |
|---|---|
| NSN | 5360-01-239-1431 |
| Primary Part Number | LE 063F 05 S |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Lee Spring Company Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| 19009A0115 | Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service (USA) |
| 82A5052A0021 | Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service (USA) |
| LE 063F 05 S PRIMARY | Lee Spring Company Llc (USA) |
| Reference | Meaning |
|---|---|
| LE-063F-5SS | 3/9 Design control — primary reference U.S. Government activity |
| LE-063F-5SS | C/1 Advisory reference — outside the item-of-supply concept Lee Spring Company Llc |
| E-0650-063-3000S | 5/9 Secondary reference U.S. Government activity |
NSN 5360-01-239-1431 is a Spring,helical,extension, manufactured by Lee Spring Company Llc, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-239-1431 has 3 manufacturer part numbers on file: 19009A0115 (Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service), 82A5052A0021 (Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service), LE 063F 05 S (Lee Spring Company Llc).
1 possible match (shared part number, not a government interchangeability claim): 5360-01-447-3289. Verify interchangeability with system specifications before substitution.
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.