The Cartridge Assembly,turbocharger, cataloged under National Stock Number 2990-01-208-7128, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Borgwarner Turbo Systems Llc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Cartridge Assembly,turbocharger |
| FSC / FSG | 2990 — Miscellaneous Engine Accessories, Nonaircraft (FSG 29) |
| Manufacturers | Borgwarner Turbo Systems Llc (CAGE 4W602); Caterpillar Inc Div Caterpillar Defense (CAGE 11083) |
| Parameter | Value |
|---|---|
| NSN | 2990-01-208-7128 |
| Primary Part Number | 178257 |
| Item Name | Cartridge Assembly,turbocharger |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Borgwarner Turbo Systems Llc |
| 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 |
|---|---|
| 178257 PRIMARY | Borgwarner Turbo Systems Llc (USA) |
| 9N0111 | Caterpillar Inc Div Caterpillar Defense (USA) |
| Reference | Meaning |
|---|---|
| 182865 | 3/9 Design control — primary reference Schwitzer Engine Components a Household Intl Co |
| 178257 | 5/9 Secondary reference Schwitzer Engine Components a Household Intl Co |
NSN 2990-01-208-7128 is a Cartridge Assembly,turbocharger, manufactured by Borgwarner Turbo Systems Llc, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-208-7128 has 2 manufacturer part numbers on file: 178257 (Borgwarner Turbo Systems Llc), 9N0111 (Caterpillar Inc Div Caterpillar Defense).
1 possible match (shared part number, not a government interchangeability claim): 9540-01-213-5539. 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.