The Muffler,exhaust, cataloged under National Stock Number 2990-00-010-2789, 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 13 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-00-010-2789 |
| Primary Part Number | T-8948 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Cummins Filtration Inc. |
| Status | ACTIVE |
| Operating Position | UNIVERSAL |
| Inlet Location | OFFSET LOCATED ON END OF BODY |
| Coolant Type | AIR |
| Design Type | DRY |
| Overall Diameter | 8.000 INCHES NOMINAL IN |
| Outlet Inside Diameter | 3.000 INCHES NOMINAL FIRST OUTLET IN |
| Inlet Projection Length | 2.500 INCHES NOMINAL SINGLE INLET IN |
| Muffler Design | MULTIPASS |
| Tube Quantity | 2 |
| Inlet Inside Diameter | 3.000 INCHES NOMINAL SINGLE INLET IN |
| Material | STEEL LOCATION NOT OTHERWISE SPECIFIED |
| Outlet Projection Length | 2.500 INCHES NOMINAL FIRST OUTLET IN |
| Outlet Location | OFFSET LOCATED 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 |
| Part Number | Manufacturer |
|---|---|
| T-8948 PRIMARY | Cummins Filtration Inc. (USA) |
| 2463043 | General Motors Llc Dba General Motors Llc (USA) |
| Reference | Meaning |
|---|---|
| 2463043 | 5/9 Secondary reference Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02 |
| HD3033 | 5/9 Secondary reference Riker Products |
| 8948 | D/9 Drawing number reference only Cummins Filtration Inc. |
| 2463043 | 5/9 Secondary reference General Motors Corp |
NSN 2990-00-010-2789 is a Muffler,exhaust, manufactured by Cummins Filtration Inc., classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-00-010-2789 has 2 manufacturer part numbers on file: T-8948 (Cummins Filtration Inc.), 2463043 (General Motors Llc Dba General Motors Llc).
5 possible matches (shared part number, not a government interchangeability claim): 5340-00-216-8352, 6105-00-229-8593, 4730-00-684-7652. Verify interchangeability with system specifications before substitution.
Key specifications for T-8948: Operating Position: UNIVERSAL; Inlet Location: OFFSET LOCATED ON END OF BODY; Coolant Type: AIR; Design Type: DRY. 13 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.