The Oil Pump Assembly,engine, cataloged under National Stock Number 2815-01-450-2003, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Viking Pump, Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Oil Pump Assembly,engine |
| FSC / FSG | 2815 — Diesel Engines and Components (FSG 28) |
| Manufacturers | Viking Pump, Inc (CAGE 63097) |
| Parameter | Value |
|---|---|
| NSN | 2815-01-450-2003 |
| Primary Part Number | L-0570-1852-532 |
| Item Name | Oil Pump Assembly,engine |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Viking Pump, 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 |
|---|---|
| L-0570-1852-532 PRIMARY | Viking Pump, Inc (USA) |
| Reference | Meaning |
|---|---|
| 131-2510 | D/9 Drawing number reference only Caterpillar Inc Div Caterpillar Defense |
| 133-7653 | 5/1 Secondary reference Caterpillar Inc Div Caterpillar Defense |
| SG-0570-G1V | 5/1 Secondary reference Viking Pump, Inc |
| 131-2510 ITEM 1 | 5/1 Secondary reference Caterpillar Inc Div Caterpillar Defense |
NSN 2815-01-450-2003 is a Oil Pump Assembly,engine, manufactured by Viking Pump, Inc, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-01-450-2003 has 1 manufacturer part number on file: L-0570-1852-532 (Viking Pump, Inc).
4 possible matches (shared part number, not a government interchangeability claim): 3040-01-450-2030, 3010-01-450-3353, 3040-01-450-3966. Verify interchangeability with system specifications before substitution.
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.