The Trunk,piston, cataloged under National Stock Number 2815-00-390-2811, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Hatch & Kirk, Inc.. The record lists 5 manufacturer part numbers 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Trunk,piston |
| FSC / FSG | 2815 — Diesel Engines and Components (FSG 28) |
| Manufacturers | Hatch & Kirk, Inc. (CAGE 55380); N a K Engineering Inc (CAGE 1EW06) |
| Parameter | Value |
|---|---|
| NSN | 2815-00-390-2811 |
| Primary Part Number | 99095037 |
| Item Name | Trunk,piston |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Hatch & Kirk, Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 9001-0383 | Hatch & Kirk, Inc. (USA) |
| DS90187 | Hatch & Kirk, Inc. (USA) |
| 99095037 PRIMARY | Hatch & Kirk, Inc. (USA) |
| 990950373 | Hatch & Kirk, Inc. (USA) |
| N-9909-5037 PRIMARY | N a K Engineering Inc (USA) |
| Reference | Meaning |
|---|---|
| DS90187 | 5/9 Secondary reference Cooper Machinery Services Llc |
| 99095037 | 5/9 Secondary reference Cooper Machinery Services Llc |
| DS90187 | 5/9 Secondary reference Energy Services Group Div of Cooper Industries Inc |
| 9001-0383 | 5/9 Secondary reference Energy Services Group Div of Cooper Industries Inc |
NSN 2815-00-390-2811 is a Trunk,piston, manufactured by Hatch & Kirk, Inc., classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-00-390-2811 has 5 manufacturer part numbers on file: 9001-0383 (Hatch & Kirk, Inc.), DS90187 (Hatch & Kirk, Inc.), 99095037 (Hatch & Kirk, Inc.), 990950373 (Hatch & Kirk, Inc.), N-9909-5037 (N a K Engineering Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5835-01-290-4397, 4730-01-669-8332. Verify interchangeability with system specifications before substitution.
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.