The Muffler,exhaust, cataloged under National Stock Number 2990-00-254-9954, 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 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 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 | 2990-00-254-9954 |
| Primary Part Number | T-1211 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — No Item Name Available |
| Manufacturer | Cummins Filtration Inc. |
| Status | CANCELLED |
| Inlet Thread Size | 1-11-1/2 SINGLE INLET |
| Design Type | DRY |
| Outlet Thread Series Designator | NPT FIRST OUTLET |
| Coolant Type | AIR |
| Outlet Thread Size | 1-11-1/2 FIRST OUTLET |
| Material | STEEL LOCATION NOT OTHERWISE SPECIFIED |
| Thread Direction | RIGHT-HAND SINGLE INLET |
| Operating Position | UNIVERSAL |
| Inlet Projection Length | 1.250 INCHES NOMINAL SINGLE INLET IN |
| Thread Location | EXTERNAL FIRST OUTLET |
| Outlet Location | CENTRALLY LOCATED IN END SECTION OF BODY |
| Tube Quantity | 1 |
| Outlet Projection Length | 1.250 INCHES NOMINAL FIRST OUTLET IN |
| Outlet Connection Type | THREADED FIRST OUTLET |
| Muffler Design | BAFFLE |
| Surface Treatment | ZINC |
| Overall Diameter | 5.250 INCHES NOMINAL IN |
| Baffle Quantity | 1 |
| Inlet Thread Series Designator | NPT SINGLE INLET |
| Inlet Connection Type | THREADED SINGLE INLET |
| Outlet Thread Direction | RIGHT-HAND FIRST OUTLET |
| Inlet Location | CENTRALLY LOCATED IN END SECTION OF BODY |
| Body Shape | ROUND |
| Inlet Thread Location | EXTERNAL SINGLE INLET |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| T-1378 | Cummins Filtration Inc. (USA) |
| 89954 | Briggs and Stratton Corp (USA) |
| 1769 | Cummins Filtration Inc. (USA) |
| 8903 | Briggs and Stratton Corp (USA) |
| ABT1769 | Brighton Cromwell Llc (USA) |
| T-1211 PRIMARY | Cummins Filtration Inc. (USA) |
| 89033 PRIMARY | Briggs and Stratton Corp (USA) |
| 86654 | Briggs and Stratton Corp (USA) |
| ABT1769 | Ar Bee Corp (USA) |
NSN 2990-00-254-9954 is a Muffler,exhaust, manufactured by Cummins Filtration Inc., classified under FSC 2990 (No Item Name Available). Status: cancelled.
NSN 2990-00-254-9954 has 9 cross-referenced part numbers: T-1378 (Cummins Filtration Inc.), 89954 (Briggs and Stratton Corp), 1769 (Cummins Filtration Inc.), 8903 (Briggs and Stratton Corp), ABT1769 (Brighton Cromwell Llc) and 4 more.
There are 12 known substitutes for 2990-00-254-9954: 3110-00-100-6182, 3110-00-155-8957, 6645-00-250-4680 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for T-1211: Inlet Thread Size: 1-11-1/2 SINGLE INLET; Design Type: DRY; Outlet Thread Series Designator: NPT FIRST OUTLET; Overall Length: 7.937 INCHES NOMINAL IN. 25 total characteristics are documented in the Federal Logistics Information System.
NSN 2990-00-254-9954 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.