The Muffler,exhaust, cataloged under National Stock Number 2990-00-447-4044, 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 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 2990-00-447-4044 |
| Primary Part Number | 5746-N |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — No Item Name Available |
| Manufacturer | Cummins Filtration Inc. |
| Status | CANCELLED |
| Operating Position | UNIVERSAL |
| Design Type | DRY |
| Muffler Design | BAFFLE |
| Baffle Quantity | 1 |
| Inlet Connection Type | UNTHREADED SINGLE INLET |
| Outlet Outside Diameter | 1.780 INCHES MINIMUM AND 1.800 INCHES MAXIMUM FIRST OUTLET IN |
| Outlet Projection Length | 2.375 INCHES NOMINAL FIRST OUTLET IN |
| Outlet Location | CENTRALLY LOCATED IN END SECTION OF BODY |
| Material | STEEL LOCATION NOT OTHERWISE SPECIFIED |
| Inlet Inside Diameter | 1.905 INCHES MINIMUM AND 1.925 INCHES MAXIMUM SINGLE INLET IN |
| Inlet Projection Length | 2.062 INCHES NOMINAL SINGLE INLET IN |
| Outlet Connection Type | UNTHREADED FIRST OUTLET |
| Inlet Location | OFFSET FROM CENTER OF END OF BODY |
| Coolant Type | AIR |
| Tube Quantity | 2 |
| Body Shape | ROUND |
| Overall Diameter | 6.625 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| ABT5746 | Ar Bee Corp (USA) |
| 5746-N PRIMARY | Cummins Filtration Inc. (USA) |
| 235834-C | Hercules Engine Co Inc (USA) |
| 235835AS | Hercules Engine Co Inc (USA) |
| T-5746 PRIMARY | Cummins Filtration Inc. (USA) |
| 5746 | Cummins Filtration Inc. (USA) |
| 29056BS | Hercules Engine Co Inc (USA) |
NSN 2990-00-447-4044 is a Muffler,exhaust, manufactured by Cummins Filtration Inc., classified under FSC 2990 (No Item Name Available). Status: cancelled.
NSN 2990-00-447-4044 has 7 cross-referenced part numbers: ABT5746 (Ar Bee Corp), 5746-N (Cummins Filtration Inc.), 235834-C (Hercules Engine Co Inc), 235835AS (Hercules Engine Co Inc), T-5746 (Cummins Filtration Inc.) and 2 more.
There are 4 known substitutes for 2990-00-447-4044: 5306-00-719-4798, 2510-01-183-4833, 4330-01-260-8353 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 5746-N: Overall Length: 9.562 INCHES NOMINAL IN; Operating Position: UNIVERSAL; Design Type: DRY; Muffler Design: BAFFLE. 19 total characteristics are documented in the Federal Logistics Information System.
NSN 2990-00-447-4044 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.