The Muffler,exhaust, cataloged under National Stock Number 2990-00-540-5066, 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 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 7 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 | 2990-00-540-5066 |
| Primary Part Number | 2259N |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — No Item Name Available |
| Manufacturer | Cummins Filtration Inc. |
| Status | CANCELLED |
| Thread Location | EXTERNAL FIRST OUTLET |
| Outlet Connection Type | THREADED FIRST OUTLET |
| Inlet Location | LOCATED 1.750 IN. C TO C FROM HORIZONTAL CENTERLINE IN |
| FSC Application Data | EXHAUST SYSTEM,ENGINE,NONAIRCRAFT |
| Muffler Design | DIRECTIONAL VANE W/INTEGRAL SPARK ARRESTOR |
| Material | STEEL LOCATION NOT OTHERWISE SPECIFIED |
| Outlet Thread Series Designator | NPT FIRST OUTLET |
| Overall Diameter | 5.500 INCHES NOMINAL IN |
| Operating Position | HORIZONTAL |
| Outlet Thread Size | 1-1/2-14 FIRST OUTLET |
| Inlet Connection Type | THREADED SINGLE INLET |
| Outlet Projection Length | 2.125 INCHES NOMINAL FIRST OUTLET IN |
| Inlet Thread Location | EXTERNAL SINGLE INLET |
| Inlet Projection Length | 2.563 INCHES NOMINAL SINGLE INLET IN |
| Design Type | JACKETED |
| Outlet Location | LOCATED 1-5/16 IN. C TO C FROM HORIZONTAL CENTERLINE IN |
| Outlet Thread Direction | RIGHT-HAND FIRST OUTLET |
| Inlet Thread Series Designator | NPT SINGLE INLET |
| Body Shape | ROUND |
| Thread Direction | RIGHT-HAND SINGLE INLET |
| Inlet Thread Size | 1-1/2-14 SINGLE INLET |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| ABT2259 | Ar Bee Corp (USA) |
| ABT2259 | Brighton Cromwell Llc (USA) |
| T-2259 | Cummins Filtration Inc. (USA) |
| 26761 | Drs Environmental Systems Inc (USA) |
| WD50 | Wisconsin Motors, Llc (USA) |
| 26761 | Davey Compressor Co Div of Keco Industries Inc (USA) |
| 2259 | Cummins Filtration Inc. (USA) |
| CP26761 | Davey Compressor Co Div of Keco Industries Inc (USA) |
| 2259N PRIMARY | Cummins Filtration Inc. (USA) |
| 26761 | Hdt Expeditionary Systems Inc (USA) |
NSN 2990-00-540-5066 is a Muffler,exhaust, manufactured by Cummins Filtration Inc., classified under FSC 2990 (No Item Name Available). Status: cancelled.
NSN 2990-00-540-5066 has 10 cross-referenced part numbers: ABT2259 (Ar Bee Corp), ABT2259 (Brighton Cromwell Llc), T-2259 (Cummins Filtration Inc.), 26761 (Drs Environmental Systems Inc), WD50 (Wisconsin Motors, Llc) and 5 more.
There are 12 known substitutes for 2990-00-540-5066: 5935-00-064-8962, 5310-00-197-3344, 6135-00-248-4092 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2259N: Thread Location: EXTERNAL FIRST OUTLET; Outlet Connection Type: THREADED FIRST OUTLET; Inlet Location: LOCATED 1.750 IN. C TO C FROM HORIZONTAL CENTERLINE IN; FSC Application Data: EXHAUST SYSTEM,ENGINE,NONAIRCRAFT. 22 total characteristics are documented in the Federal Logistics Information System.
NSN 2990-00-540-5066 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.