The Pipe,exhaust, cataloged under National Stock Number 2990-01-077-2817, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Am General Llc. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 2990-01-077-2817 |
| Primary Part Number | MB241A-20003 |
| Item Name | Pipe,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Am General Llc |
| Status | ACTIVE |
| Nominal Overall Length | 36.000 INCHES IN |
| Wall Thickness | 0.0781 INCHES NOMINAL IN |
| Nominal Outside Diameter | 5.000 INCHES IN |
| Material | STEEL |
| 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 |
|---|---|
| MB241A-20003 PRIMARY | Am General Llc (USA) |
| 1977-MB241A20003 | Wheeler Fleet Solutions, Co. (USA) |
| Reference | Meaning |
|---|---|
| Q-25728 | 5/9 Secondary reference Cummins Filtration Inc. |
| B1Q-MB241A-20003 | 5/9 Secondary reference Echelon Supply and Service, Inc. |
| S-4357 | 5/9 Secondary reference S&s Truck Parts, Llc |
NSN 2990-01-077-2817 is a Pipe,exhaust, manufactured by Am General Llc, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-077-2817 has 2 manufacturer part numbers on file: MB241A-20003 (Am General Llc), 1977-MB241A20003 (Wheeler Fleet Solutions, Co.).
Key specifications for MB241A-20003: Nominal Overall Length: 36.000 INCHES IN; Wall Thickness: 0.0781 INCHES NOMINAL IN; Nominal Outside Diameter: 5.000 INCHES IN; End Item Identification: TRUCK,HEAVY DUTY,A M GENERAL CORP,MODEL M915. 4 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.