The Pipe,exhaust, cataloged under National Stock Number 2990-01-262-2668, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Cummins Filtration 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2990-01-262-2668 |
| Primary Part Number | Q45168 |
| Item Name | Pipe,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Cummins Filtration Inc. |
| Status | ACTIVE |
| Design Form | PREBENT |
| Enlarged End Inside Diameter | 2.870 INCHES NOMINAL IN |
| Nominal Outside Diameter | 3.000 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 |
|---|---|
| Q45168 PRIMARY | Cummins Filtration Inc. (USA) |
| Reference | Meaning |
|---|---|
| 709 1308 | 5/2 Secondary reference U.S. Government activity |
NSN 2990-01-262-2668 is a Pipe,exhaust, manufactured by Cummins Filtration Inc., classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-262-2668 has 1 manufacturer part number on file: Q45168 (Cummins Filtration Inc.).
Key specifications for Q45168: Design Form: PREBENT; Enlarged End Inside Diameter: 2.870 INCHES NOMINAL IN; Nominal Outside Diameter: 3.000 INCHES IN; End Item Identification: 3810-01-165-0647. 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.