The Muffler,exhaust, cataloged under National Stock Number 2990-00-077-1504, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Cummins Filtration Inc.. Government technical data includes 12 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-00-077-1504 |
| Primary Part Number | T-6091 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — No Item Name Available |
| Manufacturer | Cummins Filtration Inc. |
| Status | ACTIVE |
| Design Type | DRY |
| Outlet Location | ON SIDE OF BODY 3.500 IN. C OF OUTLET TO END OF BODY OPPOSITE INLET END IN |
| Coolant Type | AIR |
| Inlet Inside Diameter | 3.515 INCHES NOMINAL SINGLE INLET IN |
| Muffler Design | BAFFLE |
| Tube Quantity | 4 |
| Inlet Projection Length | 3.875 INCHES NOMINAL SINGLE INLET IN |
| Outlet Outside Diameter | 3.485 INCHES NOMINAL FIRST OUTLET IN |
| Material | STEEL LOCATION NOT OTHERWISE SPECIFIED |
| Outlet Projection Length | 5.000 INCHES NOMINAL FIRST OUTLET IN |
| Inlet Location | ON SIDE OF BODY 3.500 IN. C OF INLET TO END OF BODY IN |
| Baffle Quantity | 2 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 2990-00-077-1504 is a Muffler,exhaust, manufactured by Cummins Filtration Inc., classified under FSC 2990 (No Item Name Available). Status: active.
NSN 2990-00-077-1504 has 6 cross-referenced part numbers: A221774 (Joy Global Underground Mining Llc), A221774 (Joy Mfg Co Air Power Group Michigan City Plant), T-6091 (Cummins Filtration Inc.), ABT6091 (Brighton Cromwell Llc), 6091 (Cummins Filtration Inc.) and 1 more.
There are 12 known substitutes for 2990-00-077-1504: 4710-00-022-1604, 5977-00-090-1159, 3110-00-100-3545 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for T-6091: Design Type: DRY; Outlet Location: ON SIDE OF BODY 3.500 IN. C OF OUTLET TO END OF BODY OPPOSITE INLET END IN; Coolant Type: AIR; Inlet Inside Diameter: 3.515 INCHES NOMINAL SINGLE INLET IN. 16 total characteristics are documented in the Federal Logistics Information System.