The Muffler,exhaust, cataloged under National Stock Number 2990-00-185-7028, 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 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 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 | 2990-00-185-7028 |
| Primary Part Number | T-1591 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — No Item Name Available |
| Manufacturer | Cummins Filtration Inc. |
| Status | ACTIVE |
| Operating Position | HORIZONTAL |
| Inlet Thread Series Designator | NPT SINGLE INLET |
| Outlet Thread Series Designator | NPT FIRST OUTLET |
| Outlet Thread Size | 1-11-1/2 FIRST OUTLET |
| Inlet Thread Location | EXTERNAL SINGLE INLET |
| Surface Treatment | PLASTIC POLYPROPYLENE |
| Baffle Quantity | 1 |
| Overall Diameter | 4.620 INCHES NOMINAL IN |
| Thread Location | EXTERNAL FIRST OUTLET |
| Design Type | DRY |
| Muffler Design | BAFFLE |
| Inlet Connection Type | THREADED SINGLE INLET |
| Coolant Type | AIR |
| Outlet Projection Length | 1.781 INCHES NOMINAL FIRST OUTLET IN |
| Inlet Thread Size | 1-11-1/2 SINGLE INLET |
| Tube Quantity | 3 |
| Body Shape | ROUND |
| Design Type | DRY |
| Criticality Code Justification | FEAT |
| Inlet Location | OFFSET LOCATED ON END OF BODY |
| Outlet Projection Length | 1.781 INCHES NOMINAL FIRST OUTLET IN |
| Muffler Design | BAFFLE |
| Material | STEEL LOCATION NOT OTHERWISE SPECIFIED |
| Surface Treatment | PLASTIC POLYPROPYLENE |
| Material | STEEL LOCATION NOT OTHERWISE SPECIFIED |
| Criticality Code Justification | FEAT |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 2990-00-185-7028 is a Muffler,exhaust, manufactured by Cummins Filtration Inc., classified under FSC 2990 (No Item Name Available). Status: active.
NSN 2990-00-185-7028 has 3 cross-referenced part numbers: WD-42-A (Wisconsin Motors, Llc), 1591 (Cummins Filtration Inc.), T-1591 (Cummins Filtration Inc.).
There are 12 known substitutes for 2990-00-185-7028: 6240-00-014-5431, 4820-00-202-9528, 4730-00-305-9784 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for T-1591: Operating Position: HORIZONTAL; Inlet Thread Series Designator: NPT SINGLE INLET; Outlet Thread Series Designator: NPT FIRST OUTLET; Outlet Thread Size: 1-11-1/2 FIRST OUTLET. 30 total characteristics are documented in the Federal Logistics Information System.