The Muffler,exhaust, cataloged under National Stock Number 2990-00-064-7740, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 2990-00-064-7740 |
| Primary Part Number | T-7478 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — No Item Name Available |
| Manufacturer | Cummins Filtration Inc. |
| Status | CANCELLED |
| Outlet Outside Diameter | 3.125 INCHES NOMINAL FIRST OUTLET IN |
| Coolant Type | AIR |
| Operating Position | HORIZONTAL |
| Muffler Design | BAFFLE |
| Baffle Quantity | 2 |
| Inlet Projection Length | 1.812 INCHES NOMINAL SINGLE INLET IN |
| Design Type | DRY |
| Overall Diameter | 6.125 INCHES NOMINAL IN |
| Material | STEEL LOCATION NOT OTHERWISE SPECIFIED |
| Tube Quantity | 3 |
| Inlet Inside Diameter | 3.015 INCHES NOMINAL SINGLE INLET IN |
| Inlet Location | ON SIDE OF BODY 8.750 IN. C OF INLET TO END OF BODY IN |
| Outlet Projection Length | 8.125 INCHES NOMINAL FIRST OUTLET IN |
| Outlet Location | ON SIDE OF BODY SAME END AS INLET 2.500 IN. C OF OUTLET TO END OF BODY IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 7478 | Cummins Filtration Inc. (USA) |
| ABT7478 | Brighton Cromwell Llc (USA) |
| T-7478 PRIMARY | Cummins Filtration Inc. (USA) |
| 316682 | Dana Off Highway Products, Llc (USA) |
| ABT7478 | Ar Bee Corp (USA) |
| 316682 | Clark Equipment Co (USA) |
| 7478-A | Cummins Filtration Inc. (USA) |
NSN 2990-00-064-7740 is a Muffler,exhaust, manufactured by Cummins Filtration Inc., classified under FSC 2990 (No Item Name Available). Status: cancelled.
NSN 2990-00-064-7740 has 7 cross-referenced part numbers: 7478 (Cummins Filtration Inc.), ABT7478 (Brighton Cromwell Llc), T-7478 (Cummins Filtration Inc.), 316682 (Dana Off Highway Products, Llc), ABT7478 (Ar Bee Corp) and 2 more.
There are 7 known substitutes for 2990-00-064-7740: 5960-00-058-8830, 6515-00-541-2987, 5340-00-598-9815 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for T-7478: Outlet Outside Diameter: 3.125 INCHES NOMINAL FIRST OUTLET IN; Coolant Type: AIR; Operating Position: HORIZONTAL; Muffler Design: BAFFLE. 15 total characteristics are documented in the Federal Logistics Information System.
NSN 2990-00-064-7740 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.