The Muffler,exhaust, cataloged under National Stock Number 2990-00-987-6083, 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 20 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-00-987-6083 |
| Primary Part Number | 86150-M |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Cummins Filtration Inc. |
| Status | ACTIVE |
| Operating Position | VERTICAL |
| Inlet Outside Diameter | 3.625 INCHES MINIMUM AND 3.655 INCHES MAXIMUM SINGLE INLET IN |
| Inlet Location | CENTRALLY LOCATED IN END SECTION OF BODY |
| Coolant Type | AIR |
| Design Type | DRY |
| Overall Diameter | 7.000 INCHES NOMINAL IN |
| Outlet Inside Diameter | 3.500 INCHES MINIMUM AND 3.530 INCHES MAXIMUM FIRST OUTLET IN |
| Inlet Projection Length | 2.250 INCHES MINIMUM AND 2.500 INCHES MAXIMUM SINGLE INLET IN |
| Baffle Quantity | 2 |
| Muffler Design | BAFFLE |
| Outlet Outside Diameter | 3.625 INCHES MINIMUM AND 3.655 INCHES MAXIMUM FIRST OUTLET IN |
| Tube Quantity | 1 |
| Inlet Connection Type | UNTHREADED SINGLE INLET |
| Body Shape | ROUND |
| Surface Treatment | ALUMINUM |
| Inlet Inside Diameter | 3.500 INCHES MINIMUM AND 3.530 INCHES MAXIMUM SINGLE INLET IN |
| Material | STEEL LOCATION NOT OTHERWISE SPECIFIED |
| Outlet Projection Length | 2.250 INCHES MINIMUM AND 2.500 INCHES MAXIMUM FIRST OUTLET IN |
| Outlet Connection Type | UNTHREADED FIRST OUTLET |
| Outlet Location | CENTRALLY LOCATED IN END SECTION OF BODY |
| 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 |
|---|---|
| T-86150 | Cummins Filtration Inc. (USA) |
| 86150-M PRIMARY | Cummins Filtration Inc. (USA) |
| MFM07-0028 PRIMARY | Donaldson Company, Inc. (USA) |
NSN 2990-00-987-6083 is a Muffler,exhaust, manufactured by Cummins Filtration Inc., classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-00-987-6083 has 3 manufacturer part numbers on file: T-86150 (Cummins Filtration Inc.), 86150-M (Cummins Filtration Inc.), MFM07-0028 (Donaldson Company, Inc.).
Key specifications for 86150-M: Operating Position: VERTICAL; Inlet Outside Diameter: 3.625 INCHES MINIMUM AND 3.655 INCHES MAXIMUM SINGLE INLET IN; Inlet Location: CENTRALLY LOCATED IN END SECTION OF BODY; Coolant Type: AIR. 20 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.