The Spring,helical,extension, cataloged under National Stock Number 5360-01-528-4363, 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 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 — Coil, Flat, Leaf, and Wire Springs (FSG 53) |
| Manufacturers | Allied Systems Company Dba Allied Systems Co (CAGE 60848); Lee Spring Company Llc (CAGE 1A699) |
| Parameter | Value |
|---|---|
| NSN | 5360-01-528-4363 |
| Primary Part Number | LE-105J-6-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 |
|---|---|
| SG811-CF-MMC-010 PG 7-19 ITEM 5 | Allied Systems Company Dba Allied Systems Co (USA) |
| 248288 | Allied Systems Company Dba Allied Systems Co (USA) |
| 248288 | Lee Spring Company Llc (USA) |
| LE-105J-6-S PRIMARY | Lee Spring Company Llc (USA) |
| Reference | Meaning |
|---|---|
| 248288 | 5/9 Secondary reference U.S. Government activity |
| LE-105J-6-S | 3/9 Design control — primary reference U.S. Government activity |
NSN 5360-01-528-4363 is a Spring,helical,extension, manufactured by Lee Spring Company Llc, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-528-4363 has 4 manufacturer part numbers on file: SG811-CF-MMC-010 PG 7-19 ITEM 5 (Allied Systems Company Dba Allied Systems Co), 248288 (Allied Systems Company Dba Allied Systems Co), 248288 (Lee Spring Company Llc), LE-105J-6-S (Lee Spring Company Llc).
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.