The Engine,diesel, cataloged under National Stock Number 2815-01-312-0018, 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 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-01-312-0018 |
| Primary Part Number | 6CTA8.3/SES1449 |
| Item Name | Engine,diesel |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Cummins Inc. |
| Status | ACTIVE |
| Strokes Per Cycle | 4 |
| Reference Data and Literature | TO. 36A12-13-17-84 |
| Crankshaft Rotation Direction | CLOCKWISE |
| Piston Action Type | SINGLE ACTING |
| Starting Method | ELECTRICAL |
| Accessory Components and Quantity | AIR COMPRESSOR PLUMBING; AIR COMPRESSOR INLET; AIR COMPRESSOR; HEATER; VIBRATION DAMPER; ALTERNATOR MOUNTING HARDWARE; FRONT GEAR TRAIN ACCESSORY DRIVE ADAPTER; FRONT ENGINE SUPPORT; FAN DRIVE ARRANGEMENT; FUEL FILTER/WATER SEPERATOR (SINGLE SPIN-ON); FUEL LIFT PUMP; 12 VOLT FUEL SHUT-OFF VALVE; FLEXPLATE FOR ALLISON MT654 W/INTEGRAL SPACER; LIFTING ARRANGEMENT; DIPSTICK ARRANGEMENT; OIL FILL LOCATION; REAR SUMP OIL PAN; STARTER SPACER; CUMMINS BEIGE PAINT; TURBOCHARGER LOCATION |
| Cylinder Quantity | 6 |
| Cylinder Arrangement | STRAIGHT IN-LINE |
| Standard Bore Diameter | 4.490 INCHES IN |
| Test Data Document | 15434-4514 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.). |
| Stroke Length | 5.320 INCHES IN |
| Type/model Designation | 6CTA8.3 |
| 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 |
|---|---|
| 6CTA8.3/SES1449 PRIMARY | Cummins Inc. (USA) |
NSN 2815-01-312-0018 is a Engine,diesel, manufactured by Cummins Inc., classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-01-312-0018 has 1 manufacturer part number on file: 6CTA8.3/SES1449 (Cummins Inc.).
Key specifications for 6CTA8.3/SES1449: Strokes Per Cycle: 4; Reference Data and Literature: TO. 36A12-13-17-84; Crankshaft Rotation Direction: CLOCKWISE; Piston Action Type: SINGLE ACTING. 12 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.