The Engine,diesel, cataloged under National Stock Number 2815-01-323-3122, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Astec America Inc.. Government technical data includes 6 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-01-323-3122 |
| Primary Part Number | HL4 BUILD 08 |
| Item Name | Engine,diesel |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Astec America Inc. |
| Status | ACTIVE |
| Voltage in Volts | 12.0 |
| Crankshaft Rotation Direction | CLOCKWISE |
| Piston Action Type | SINGLE ACTING |
| Starting Method | ELECTRICAL |
| Cylinder Quantity | 4 |
| Cylinder Arrangement | STRAIGHT IN-LINE |
| 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 |
|---|---|
| HL4 BUILD 08 PRIMARY | Astec America Inc. (USA) |
| Reference | Meaning |
|---|---|
| 31036-90031 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 2815-01-323-3122 is a Engine,diesel, manufactured by Astec America Inc., classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-01-323-3122 has 1 manufacturer part number on file: HL4 BUILD 08 (Astec America Inc.).
Key specifications for HL4 BUILD 08: Voltage in Volts: 12.0; Crankshaft Rotation Direction: CLOCKWISE; Piston Action Type: SINGLE ACTING; Starting Method: ELECTRICAL. 6 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.
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.