The Muffler,exhaust, cataloged under National Stock Number 2990-00-589-8565, 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 18 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-00-589-8565 |
| Primary Part Number | T-7080 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Cummins Filtration Inc. |
| Status | ACTIVE |
| Operating Position | UNIVERSAL |
| Inlet Outside Diameter | 1.958 INCHES NOMINAL SINGLE INLET IN |
| Inlet Location | LOCATED CENTER OF END OF BODY |
| Coolant Type | AIR |
| Design Type | DRY |
| Overall Diameter | 4.625 INCHES NOMINAL IN |
| Inlet Projection Length | 2.625 INCHES NOMINAL SINGLE INLET IN |
| Baffle Quantity | 1 |
| Muffler Design | BAFFLE |
| Outlet Outside Diameter | 1.958 INCHES NOMINAL FIRST OUTLET IN |
| Tube Quantity | 1 |
| Inlet Connection Type | UNTHREADED SINGLE INLET |
| Body Shape | ROUND |
| Surface Treatment | ALUMINUM ALLOY |
| Material | STEEL LOCATION NOT OTHERWISE SPECIFIED |
| Outlet Projection Length | 2.250 INCHES NOMINAL FIRST OUTLET IN |
| Outlet Connection Type | UNTHREADED FIRST OUTLET |
| Outlet Location | LOCATED CENTER OF 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 |
|---|---|
| 7080-M | Cummins Filtration Inc. (USA) |
| T-7080 PRIMARY | Cummins Filtration Inc. (USA) |
| ABT7080 | Brighton Cromwell Llc (USA) |
| Reference | Meaning |
|---|---|
| 35A160 | 5/9 Secondary reference U.S. Government activity |
| ABT7080 | 5/9 Secondary reference Ar Bee Corp |
| 7080 | D/9 Drawing number reference only Cummins Filtration Inc. |
NSN 2990-00-589-8565 is a Muffler,exhaust, manufactured by Cummins Filtration Inc., classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-00-589-8565 has 3 manufacturer part numbers on file: 7080-M (Cummins Filtration Inc.), T-7080 (Cummins Filtration Inc.), ABT7080 (Brighton Cromwell Llc).
Key specifications for T-7080: Operating Position: UNIVERSAL; Inlet Outside Diameter: 1.958 INCHES NOMINAL SINGLE INLET IN; Inlet Location: LOCATED CENTER OF END OF BODY; Coolant Type: AIR. 18 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.