The Muffler,exhaust, cataloged under National Stock Number 2990-00-307-3838, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Wisconsin Motors, Llc. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-00-307-3838 |
| Primary Part Number | WD79 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — No Item Name Available |
| Manufacturer | Wisconsin Motors, Llc |
| Status | ACTIVE |
| Muffler Design | STRAIGHT THROUGH |
| Material | STEEL LOCATION NOT OTHERWISE SPECIFIED |
| Outlet Connection Type | THREADED FIRST OUTLET |
| Inlet Connection Type | THREADED SINGLE INLET |
| Body Shape | ROUND |
| Outlet Thread Direction | RIGHT-HAND FIRST OUTLET |
| Design Type | DRY |
| Inlet Thread Location | EXTERNAL SINGLE INLET |
| Inlet Thread Size | 1.625-12 SINGLE INLET |
| Outlet Thread Size | 1.625-12 FIRST OUTLET |
| Inlet Location | CENTRALLY LOCATED IN END SECTION OF BODY |
| Overall Diameter | 5.000 INCHES NOMINAL IN |
| Inlet Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE INLET |
| Outlet Projection Length | 1.250 INCHES NOMINAL FIRST OUTLET IN |
| Outlet Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) FIRST OUTLET |
| Inlet Projection Length | 1.250 INCHES NOMINAL SINGLE INLET IN |
| Coolant Type | AIR |
| Outlet Location | CENTRALLY LOCATED IN END SECTION OF BODY |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 2990-00-307-3838 is a Muffler,exhaust, manufactured by Wisconsin Motors, Llc, classified under FSC 2990 (No Item Name Available). Status: active.
NSN 2990-00-307-3838 has 6 cross-referenced part numbers: ABT8119 (Ar Bee Corp), 8119 (Cummins Filtration Inc.), WD79 (Wisconsin Motors, Llc), ABT8119 (Brighton Cromwell Llc), T-8119 (Cummins Filtration Inc.) and 1 more.
There are 7 known substitutes for 2990-00-307-3838: 4730-00-045-2656, 5330-00-160-6396, 5910-00-280-5902 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for WD79: Muffler Design: STRAIGHT THROUGH; Material: STEEL LOCATION NOT OTHERWISE SPECIFIED; Outlet Connection Type: THREADED FIRST OUTLET; Inlet Connection Type: THREADED SINGLE INLET. 19 total characteristics are documented in the Federal Logistics Information System.