The Muffler,exhaust, cataloged under National Stock Number 2990-00-872-1531, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Cummins Filtration Inc.. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-00-872-1531 |
| Primary Part Number | 86146M |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — No Item Name Available |
| Manufacturer | Cummins Filtration Inc. |
| Status | ACTIVE |
| Inlet Location | OFFSET LOCATED ON SAME END OF BODY WITH OUTLET |
| Inlet Projection Length | 1.000 INCHES NOMINAL SINGLE INLET IN |
| Muffler Design | MULTIPASS |
| Outlet Connection Type | UNTHREADED FIRST OUTLET |
| Inlet Connection Type | UNTHREADED SINGLE INLET |
| Outlet Location | OFFSET LOCATED ON SAME END OF BODY WITH INLET |
| Baffle Quantity | 1 |
| Operating Position | HORIZONTAL |
| Inlet Inside Diameter | 2.475 INCHES MINIMUM AND 2.495 INCHES MAXIMUM SINGLE INLET IN |
| Coolant Type | AIR |
| Design Type | DRY |
| Surface Treatment | ALUMINUM |
| Material | STEEL LOCATION NOT OTHERWISE SPECIFIED |
| Outlet Projection Length | 1.750 INCHES NOMINAL FIRST OUTLET IN |
| Outlet Outside Diameter | 3.000 INCHES MINIMUM AND 3.015 INCHES MAXIMUM FIRST OUTLET IN |
| Body Shape | OVAL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2385995 | Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02 (USA) |
| 5853 | Walker Mfg Co (USA) |
| 86146M PRIMARY | Cummins Filtration Inc. (USA) |
| 2385995 | General Motors Llc Dba General Motors Llc (USA) |
| 2385995 | General Motors Corp (USA) |
| T-86146 | Cummins Filtration Inc. (USA) |
| 21583 PRIMARY | Walker Mfg Co (USA) |
NSN 2990-00-872-1531 is a Muffler,exhaust, manufactured by Cummins Filtration Inc., classified under FSC 2990 (No Item Name Available). Status: active.
NSN 2990-00-872-1531 has 7 cross-referenced part numbers: 2385995 (Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02), 5853 (Walker Mfg Co), 86146M (Cummins Filtration Inc.), 2385995 (General Motors Llc Dba General Motors Llc), 2385995 (General Motors Corp) and 2 more.
There are 12 known substitutes for 2990-00-872-1531: 3010-00-053-3035, 5910-00-101-1540, 6145-00-112-1449 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 86146M: Inlet Location: OFFSET LOCATED ON SAME END OF BODY WITH OUTLET; Inlet Projection Length: 1.000 INCHES NOMINAL SINGLE INLET IN; Overall Width: 11.500 INCHES NOMINAL IN; Muffler Design: MULTIPASS. 19 total characteristics are documented in the Federal Logistics Information System.