The Manifold Assembly, cataloged under National Stock Number 2815-00-122-0571, 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 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Manifold Assembly |
| FSC / FSG | 2815 — Diesel Engines and Components (FSG 28) |
| Manufacturers | Engine Systems, Inc. (CAGE 16505); Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc (CAGE 39VG9); Hatch & Kirk, Inc. (CAGE 55380) |
| Parameter | Value |
|---|---|
| NSN | 2815-00-122-0571 |
| Primary Part Number | 8387873 |
| Item Name | Manifold Assembly |
| 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) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 8387873 | Engine Systems, Inc. (USA) |
| 8387873 | Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc (USA) |
| 8387873 PRIMARY | Hatch & Kirk, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 8387873 | D/9 Drawing number reference only General Motors Corp Electro-Motive Div |
| 8387873 | 5/9 Secondary reference General Motors Corp |
NSN 2815-00-122-0571 is a Manifold Assembly, manufactured by Hatch & Kirk, Inc., classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-00-122-0571 has 3 manufacturer part numbers on file: 8387873 (Engine Systems, Inc.), 8387873 (Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc), 8387873 (Hatch & Kirk, Inc.).
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.