The Muffler,exhaust, cataloged under National Stock Number 2990-00-405-0195, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-00-405-0195 |
| Primary Part Number | 49335-U |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Cummins Filtration Inc. |
| Status | ACTIVE |
| Operating Position | UNIVERSAL |
| Outlet Thread Size | 3-1/2-8 FIRST OUTLET |
| Inlet Location | CENTERED ON END OF BODY |
| Coolant Type | AIR |
| Design Type | DRY |
| Overall Diameter | 14.000 INCHES NOMINAL IN |
| Outlet Thread Direction | RIGHT-HAND FIRST OUTLET |
| Inlet Thread Location | EXTERNAL SINGLE INLET |
| Outlet Thread Series Designator | NPT FIRST OUTLET |
| Muffler Design | DIRECTIONAL VANE W/INTEGRAL SPARK ARRESTOR |
| Thread Location | EXTERNAL FIRST OUTLET |
| Inlet Connection Type | THREADED SINGLE INLET |
| Thread Direction | RIGHT-HAND SINGLE INLET |
| Body Shape | ROUND |
| Inlet Thread Size | 3-1/2-8 SINGLE INLET |
| Inlet Thread Series Designator | NPT SINGLE INLET |
| Surface Treatment | ALUMINUM ALLOY |
| Material | STEEL LOCATION NOT OTHERWISE SPECIFIED |
| Outlet Connection Type | THREADED FIRST OUTLET |
| Outlet Location | CENTERED ON END 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 |
NSN 2990-00-405-0195 is a Muffler,exhaust, manufactured by Cummins Filtration Inc., classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-00-405-0195 has 2 manufacturer part numbers on file: 199968 (Fwd Seagrave Holdings Lp), 49335-U (Cummins Filtration Inc.).
Key specifications for 49335-U: Operating Position: UNIVERSAL; Outlet Thread Size: 3-1/2-8 FIRST OUTLET; Inlet Location: CENTERED ON END 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.