The Lead Assy,spark, cataloged under National Stock Number 2840-00-613-2461, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Lead Assy,spark |
| FSC / FSG | 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components (FSG 28) |
| Manufacturers | Rolls-Royce Corporation (CAGE 63005); Unison Industries Llc (CAGE 59501) |
| Parameter | Value |
|---|---|
| NSN | 2840-00-613-2461 |
| Primary Part Number | 64971/710147 |
| Item Name | Lead Assy,spark |
| 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 Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 6870855 | Rolls-Royce Corporation (USA) |
| 64971/710147 PRIMARY | Unison Industries Llc (USA) |
| Reference | Meaning |
|---|---|
| 2840PL1889862 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 64971/710147 | 5/9 Secondary reference U.S. Government activity |
| 6870855 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
NSN 2840-00-613-2461 is a Lead Assy,spark, manufactured by Unison Industries Llc, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-00-613-2461 has 2 manufacturer part numbers on file: 6870855 (Rolls-Royce Corporation), 64971/710147 (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.
NSN 2840-00-613-2461 has DEMIL Code Q. 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.