The Muffler,exhaust, cataloged under National Stock Number 2990-00-491-3464, 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 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-00-491-3464 |
| Primary Part Number | T-11126 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — No Item Name Available |
| Manufacturer | Cummins Filtration Inc. |
| Status | ACTIVE |
| Body Shape | ROUND |
| Outlet Location | CENTRALLY LOCATED IN END SECTION OF BODY |
| Outlet Thread Direction | RIGHT-HAND FIRST OUTLET |
| Thread Direction | RIGHT-HAND SINGLE INLET |
| Thread Location | EXTERNAL FIRST OUTLET |
| Outlet Thread Size | 1-11-1/2 FIRST OUTLET |
| Inlet Location | CENTRALLY LOCATED IN END SECTION OF BODY |
| Design Type | DRY |
| Outlet Connection Type | THREADED FIRST OUTLET |
| Material | STEEL LOCATION NOT OTHERWISE SPECIFIED |
| Coolant Type | AIR |
| Inlet Connection Type | THREADED SINGLE INLET |
| Inlet Thread Location | EXTERNAL SINGLE INLET |
| Inlet Projection Length | 2.100 INCHES NOMINAL SINGLE INLET IN |
| Overall Diameter | 4.240 INCHES NOMINAL IN |
| Operating Position | VERTICAL OR HORIZONTAL |
| Outlet Projection Length | 1.600 INCHES NOMINAL FIRST OUTLET IN |
| Muffler Design | DIRECTIONAL VANE W/INTEGRAL SPARK ARRESTOR |
| Inlet Thread Size | 1-11-1/2 SINGLE INLET |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 2990-00-491-3464 is a Muffler,exhaust, manufactured by Cummins Filtration Inc., classified under FSC 2990 (No Item Name Available). Status: active.
NSN 2990-00-491-3464 has 4 cross-referenced part numbers: T-11126 (Cummins Filtration Inc.), 11126 (Cummins Filtration Inc.), ABT11126 (Brighton Cromwell Llc), ABT11126 (Ar Bee Corp).
There are 10 known substitutes for 2990-00-491-3464: 4935-00-020-5596, 2530-00-163-2411, 3455-00-355-8509 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for T-11126: Body Shape: ROUND; Outlet Location: CENTRALLY LOCATED IN END SECTION OF BODY; Outlet Thread Direction: RIGHT-HAND FIRST OUTLET; Thread Direction: RIGHT-HAND SINGLE INLET. 21 total characteristics are documented in the Federal Logistics Information System.