The Muffler,exhaust, cataloged under National Stock Number 2990-00-493-2736, 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 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 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: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-00-493-2736 |
| Primary Part Number | 10661N |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — No Item Name Available |
| Manufacturer | Cummins Filtration Inc. |
| Status | ACTIVE |
| Outlet Inside Diameter | 2.421 INCHES MINIMUM AND 2.441 INCHES MAXIMUM FIRST OUTLET IN |
| Tube Quantity | 2 |
| Coolant Type | AIR |
| Baffle Quantity | 4 |
| Muffler Design | MULTIPASS W/INTEGRAL SPARK ARRESTOR |
| Outlet Outside Diameter | 2.470 INCHES MINIMUM AND 2.490 INCHES MAXIMUM FIRST OUTLET IN |
| Design Type | DRY |
| Overall Diameter | 6.620 INCHES NOMINAL IN |
| Body Shape | ROUND |
| Inlet Connection Type | UNTHREADED SINGLE INLET |
| Operating Position | HORIZONTAL |
| Inlet Location | LOCATED 1.280 IN. C TO C FROM HORIZONTAL CENTER LINE IN |
| Inlet Projection Length | 2.500 INCHES NOMINAL SINGLE INLET IN |
| Outlet Location | CENTRALLY LOCATED IN END SECTION OF BODY |
| Outlet Projection Length | 2.500 INCHES NOMINAL FIRST OUTLET IN |
| Outlet Connection Type | UNTHREADED FIRST OUTLET |
| Inlet Inside Diameter | 2.505 INCHES MINIMUM AND 2.525 INCHES MAXIMUM SINGLE INLET IN |
| Surface Treatment | ALUMINUM |
| Inlet Outside Diameter | 2.602 INCHES MINIMUM AND 2.622 INCHES MAXIMUM SINGLE INLET IN |
| Material | STEEL LOCATION NOT OTHERWISE SPECIFIED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1066IN | Cummins Filtration Inc. (USA) |
| 10661N PRIMARY | Cummins Filtration Inc. (USA) |
| ABT10661 | Ar Bee Corp (USA) |
| 40342 | Taylor-Dunn Corporation Dba Metro Crown International (USA) |
| ABT10661 | Brighton Cromwell Llc (USA) |
| 10661 | Cummins Filtration Inc. (USA) |
| T-10661 | Cummins Filtration Inc. (USA) |
NSN 2990-00-493-2736 is a Muffler,exhaust, manufactured by Cummins Filtration Inc., classified under FSC 2990 (No Item Name Available). Status: active.
NSN 2990-00-493-2736 has 7 cross-referenced part numbers: 1066IN (Cummins Filtration Inc.), 10661N (Cummins Filtration Inc.), ABT10661 (Ar Bee Corp), 40342 (Taylor-Dunn Corporation Dba Metro Crown International), ABT10661 (Brighton Cromwell Llc) and 2 more.
There are 12 known substitutes for 2990-00-493-2736: 4320-00-146-4733, 5310-00-188-3273, 5935-00-518-8161 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 10661N: Outlet Inside Diameter: 2.421 INCHES MINIMUM AND 2.441 INCHES MAXIMUM FIRST OUTLET IN; Tube Quantity: 2; Coolant Type: AIR; Baffle Quantity: 4. 22 total characteristics are documented in the Federal Logistics Information System.