The Engine,diesel, cataloged under National Stock Number 2815-01-496-1015, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Cummins Inc.. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2815-01-496-1015 |
| Primary Part Number | 6BT5.9-M SO39040 AND SO85378 |
| Item Name | Engine,diesel |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Cummins Inc. |
| Status | ACTIVE |
| Cylinder Quantity | 6 |
| Standard Bore Diameter | 4.020 INCHES IN |
| Stroke Length | 4.720 INCHES IN |
| 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 |
|---|---|
| 6BT5.9-M SO39040 AND SO85378 PRIMARY | Cummins Inc. (USA) |
| Reference | Meaning |
|---|---|
| 6BT5.9-M SO39040AND SO85378 | 5/9 Secondary reference Cummins Power Systems, Llc Dba Cummins Div Cummins Power Systems |
NSN 2815-01-496-1015 is a Engine,diesel, manufactured by Cummins Inc., classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-01-496-1015 has 1 manufacturer part number on file: 6BT5.9-M SO39040 AND SO85378 (Cummins Inc.).
Key specifications for 6BT5.9-M SO39040 AND SO85378: Special Features: ENGINE SERIAL NUMBERS - 45945243, 45943966, 4593951, 45945199; Cylinder Quantity: 6; Standard Bore Diameter: 4.020 INCHES IN; End Item Identification: ENGINE DIESEL 6 CYL 180HP 2500RPM CCW RPM. 3 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.