The Engine,diesel, cataloged under National Stock Number 2815-00-139-4002, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Lister Petter Ltd. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-00-139-4002 |
| Primary Part Number | AA1 |
| Item Name | Engine,diesel |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Lister Petter Ltd |
| Status | ACTIVE |
| Piston Action Type | SINGLE ACTING |
| 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 |
|---|---|
| AA1 | Lister Petter Ltd (GBR) |
| Reference | Meaning |
|---|---|
| AA1 | C/1 Advisory reference — outside the item-of-supply concept Oshkosh Defense Llc |
| 1TJ13 | C/1 Advisory reference — outside the item-of-supply concept Oshkosh Defense Llc |
| 1TJ13 | 3/9 Design control — primary reference Oshkosh Corp |
| AA1 | 5/9 Secondary reference Oshkosh Corp |
NSN 2815-00-139-4002 is a Engine,diesel, manufactured by Lister Petter Ltd, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-00-139-4002 has 1 manufacturer part number on file: AA1 (Lister Petter Ltd).
3 possible matches (shared part number, not a government interchangeability claim): 7195-00-275-5825, 6230-01-186-0220, 6350-01-439-5985. Verify interchangeability with system specifications before substitution.
Key specifications for AA1: Piston Action Type: SINGLE ACTING. 1 specification is 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.
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.