The Lead Assy,spark Ign, cataloged under National Stock Number 2840-01-197-5433, is classified within Federal Supply Class 2840 (Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Unison Industries Llc. The record lists 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-01-197-5433 |
| Primary Part Number | 710384 |
| Item Name | Lead Assy,spark Ign |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | Unison Industries Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 710384 PRIMARY | Unison Industries Llc (USA) |
| 6893283 PRIMARY | Rolls-Royce Corporation (USA) |
| Reference | Meaning |
|---|---|
| 6893283 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
| 66529 | 5/9 Secondary reference U.S. Government activity |
| 710384 | 5/9 Secondary reference U.S. Government activity |
NSN 2840-01-197-5433 is a Lead Assy,spark Ign, manufactured by Unison Industries Llc, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-01-197-5433 has 2 manufacturer part numbers on file: 710384 (Unison Industries Llc), 6893283 (Rolls-Royce Corporation).
Key specifications for 710384: Part Name Assigned by Controlling Agency: LEAD ASSY, SPARK IGNITER-RH; End Item Identification: OH-58D TURBINE ENGINE. 0 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.
NSN 2840-01-197-5433 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.