The Muffler,exhaust, cataloged under National Stock Number 2990-00-936-6476, 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 23 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2990-00-936-6476 |
| Primary Part Number | 41160-F |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Cummins Filtration Inc. |
| Status | ACTIVE |
| Inlet Flange Shape | ROUND SINGLE INLET |
| Inlet Location | LOCATED 3.400 OFF CENTER OF BODY |
| Coolant Type | AIR |
| Outlet Flange Mounting Provision and Quantity | 8 HOLES FIRST OUTLET |
| Design Type | DRY |
| Overall Diameter | 14.120 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Holes | EQUALLY SPACED ON A 9-1/2 IN. BOLT CIRCLE SINGLE INLET IN |
| Inlet Projection Length | 4.500 INCHES NOMINAL SINGLE INLET IN |
| Inlet Flange Mounting Hole Diameter | 0.875 INCHES NOMINAL SINGLE INLET IN |
| Muffler Design | MULTIPASS |
| Outlet Flange Shape | ROUND FIRST OUTLET |
| Tube Quantity | 2 |
| Inlet Connection Type | FLANGE SINGLE INLET |
| Body Shape | ROUND |
| Inlet Flange Mounting Provision and Quantity | 8 HOLES SINGLE INLET |
| Unable to Decode | UNABLE TO DECODE |
| Surface Treatment | PAINT |
| Outlet Flange Mounting Hole Diameter | 0.875 INCHES NOMINAL FIRST OUTLET IN |
| Material | STEEL LOCATION NOT OTHERWISE SPECIFIED |
| Outlet Projection Length | 4.500 INCHES NOMINAL FIRST OUTLET IN |
| Outlet Flange Mounting Provision Spacing | EQUALLY SPACED ON A 9-1/2 IN. BOLT CIRCLE IN |
| Outlet Connection Type | FLANGE FIRST OUTLET |
| Outlet Location | LOCATED 3.400 OFF CENTER 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 2990-00-936-6476 is a Muffler,exhaust, manufactured by Cummins Filtration Inc., classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-00-936-6476 has 2 manufacturer part numbers on file: T-41160 (Cummins Filtration Inc.), 41160-F (Cummins Filtration Inc.).
Key specifications for 41160-F: Inlet Flange Shape: ROUND SINGLE INLET; Inlet Location: LOCATED 3.400 OFF CENTER OF BODY; Coolant Type: AIR; Outlet Flange Mounting Provision and Quantity: 8 HOLES FIRST OUTLET. 23 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.