The Camshaft,engine, cataloged under National Stock Number 2815-01-328-0433, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-01-328-0433 |
| Primary Part Number | 4P3346 |
| Item Name | Camshaft,engine |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Material | STEEL |
| Engine Cylinder Quantity | 12 |
| Engine Type | DIESEL |
| 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 |
|---|---|
| 4P3346 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| Reference | Meaning |
|---|---|
| 5L2880 | 5/9 Secondary reference Caterpillar Inc Div Caterpillar Defense |
| 1W1854 | 5/9 Secondary reference Caterpillar Inc Div Caterpillar Defense |
| 9Y3647 | 5/9 Secondary reference Caterpillar Inc Div Caterpillar Defense |
NSN 2815-01-328-0433 is a Camshaft,engine, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-01-328-0433 has 1 manufacturer part number on file: 4P3346 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 4P3346: Special Features: DIA OF BEARING SURFACE JOURNALS 2.966 TO 2.967 IN.; PROVISIONS FOR 24 VALVE LIFTERS ASSEMBLIES IN; End Item Identification: CATERPILLAR MODEL D398B (TA) 3N1127 ONBOARD 270 FT WMEC CG VESSELS FT; Material: STEEL; Engine Cylinder Quantity: 12. 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.