The Lead,ignition,engine, cataloged under National Stock Number 2920-01-663-4284, is classified within Federal Supply Class 2920 (Engine Electrical System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Unison Industries Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Lead,ignition,engine |
| FSC / FSG | 2920 — Engine Electrical System Components, Nonaircraft (FSG 29) |
| Manufacturers | Unison Industries Llc (CAGE 59501) |
| Parameter | Value |
|---|---|
| NSN | 2920-01-663-4284 |
| Primary Part Number | 515665-2 |
| Item Name | Lead,ignition,engine |
| FSC / FSG | 2920 / 29 — Engine Electrical System Components, Nonaircraft |
| Manufacturer | Unison Industries 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 |
|---|---|
| 515665-2 PRIMARY | Unison Industries Llc (USA) |
| Reference | Meaning |
|---|---|
| 51665-( ) | 7/2 Vendor item drawing reference Unison Industries Llc |
NSN 2920-01-663-4284 is a Lead,ignition,engine, manufactured by Unison Industries Llc, classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.
NSN 2920-01-663-4284 has 1 manufacturer part number on file: 515665-2 (Unison Industries 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.