The Muffler,exhaust, cataloged under National Stock Number 2990-00-407-9419, 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 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 2990-00-407-9419 |
| Primary Part Number | 11350-N |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — No Item Name Available |
| Manufacturer | Cummins Filtration Inc. |
| Status | CANCELLED |
| Baffle Quantity | 5 |
| Inlet Connection Type | UNTHREADED SINGLE INLET |
| Overall Diameter | 7.620 INCHES NOMINAL IN |
| Outlet Inside Diameter | 3.499 INCHES NOMINAL FIRST OUTLET IN |
| Operating Position | HORIZONTAL |
| Inlet Outside Diameter | 3.506 INCHES MINIMUM AND 3.526 INCHES MAXIMUM SINGLE INLET IN |
| Inlet Inside Diameter | 3.380 INCHES MINIMUM AND 3.400 INCHES MAXIMUM SINGLE INLET IN |
| Outlet Outside Diameter | 3.625 INCHES NOMINAL FIRST OUTLET IN |
| Muffler Design | BAFFLE |
| Inlet Projection Length | 2.500 INCHES NOMINAL SINGLE INLET IN |
| Body Shape | ROUND |
| Coolant Type | AIR |
| Outlet Projection Length | 8.000 INCHES NOMINAL FIRST OUTLET IN |
| Outlet Connection Type | UNTHREADED FIRST OUTLET |
| Inlet Location | LOCATED IN END SECTION OF BODY 1.500 IN. FROM HORIZONTAL CENTER LINE TO CENTER OF INLET AND 0.880 IN. FROM VERTICAL CENTER LINE TO CENTER OF INLET IN |
| Outlet Location | LOCATED ON BOTTOM SIDE OF BODY 3.000 IN. FROM CENTER OF OUTLET TO BODY END IN |
| Design Type | DRY |
| Material | STEEL CORROSION RESISTING LOCATION NOT OTHERWISE SPECIFIED |
| Tube Quantity | 3 |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 11350 | Cummins Filtration Inc. (USA) |
| 65A81C57 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| ABT11350 | Brighton Cromwell Llc (USA) |
| 11350-N PRIMARY | Cummins Filtration Inc. (USA) |
| T-1135 | Cummins Filtration Inc. (USA) |
| ABT11350 | Ar Bee Corp (USA) |
NSN 2990-00-407-9419 is a Muffler,exhaust, manufactured by Cummins Filtration Inc., classified under FSC 2990 (No Item Name Available). Status: cancelled.
NSN 2990-00-407-9419 has 6 cross-referenced part numbers: 11350 (Cummins Filtration Inc.), 65A81C57 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), ABT11350 (Brighton Cromwell Llc), 11350-N (Cummins Filtration Inc.), T-1135 (Cummins Filtration Inc.) and 1 more.
There are 12 known substitutes for 2990-00-407-9419: 5307-00-206-2526, 3030-00-233-6940, 5330-00-255-2572 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 11350-N: Baffle Quantity: 5; Inlet Connection Type: UNTHREADED SINGLE INLET; Overall Diameter: 7.620 INCHES NOMINAL IN; Outlet Inside Diameter: 3.499 INCHES NOMINAL FIRST OUTLET IN. 21 total characteristics are documented in the Federal Logistics Information System.
NSN 2990-00-407-9419 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.