The Muffler,exhaust, cataloged under National Stock Number 2990-00-734-2290, 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 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 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 | 2990-00-734-2290 |
| Primary Part Number | T-1846 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — No Item Name Available |
| Manufacturer | Cummins Filtration Inc. |
| Status | ACTIVE |
| Body Shape | ROUND |
| Tube Quantity | 3 |
| Operating Position | HORIZONTAL |
| Coolant Type | AIR |
| Inlet Connection Type | UNTHREADED SINGLE INLET |
| Outlet Inside Diameter | 2.005 INCHES MINIMUM AND 2.010 INCHES MAXIMUM FIRST OUTLET IN |
| Muffler Design | BAFFLE |
| Design Type | DRY |
| Baffle Quantity | 2 |
| Overall Diameter | 9.125 INCHES NOMINAL IN |
| Inlet Location | CENTRALLY LOCATED IN END SECTION OF BODY |
| Surface Treatment | ALUMINUM |
| Inlet Projection Length | 3.250 INCHES NOMINAL SINGLE INLET IN |
| Outlet Connection Type | UNTHREADED FIRST OUTLET |
| Outlet Outside Diameter | 2.250 INCHES NOMINAL FIRST OUTLET IN |
| Inlet Outside Diameter | 2.750 INCHES NOMINAL SINGLE INLET IN |
| Outlet Location | CENTRALLY LOCATED IN END SECTION OF BODY |
| Inlet Inside Diameter | 2.505 INCHES MINIMUM AND 2.510 INCHES MAXIMUM SINGLE INLET IN |
| Material | STEEL LOCATION NOT OTHERWISE SPECIFIED |
| Outlet Projection Length | 3.250 INCHES NOMINAL FIRST OUTLET IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1846 | Cummins Filtration Inc. (USA) |
| T-1846 PRIMARY | Cummins Filtration Inc. (USA) |
| 7342290 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 2189968 | Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02 (USA) |
| 2189968 | General Motors Llc Dba General Motors Llc (USA) |
NSN 2990-00-734-2290 is a Muffler,exhaust, manufactured by Cummins Filtration Inc., classified under FSC 2990 (No Item Name Available). Status: active.
NSN 2990-00-734-2290 has 5 cross-referenced part numbers: 1846 (Cummins Filtration Inc.), T-1846 (Cummins Filtration Inc.), 7342290 (U S Army Tank Automotive Command Amsta-Im-Mm), 2189968 (Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02), 2189968 (General Motors Llc Dba General Motors Llc).
There are 12 known substitutes for 2990-00-734-2290: 5120-00-174-1833, 5210-00-229-3058, 5310-00-264-0930 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for T-1846: Overall Length: 22.500 INCHES NOMINAL IN; Body Shape: ROUND; Tube Quantity: 3; Operating Position: HORIZONTAL. 21 total characteristics are documented in the Federal Logistics Information System.