The Muffler,exhaust, cataloged under National Stock Number 2990-00-678-0072, 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 4 commercial cross-references from 3 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 | 2990-00-678-0072 |
| Primary Part Number | T6209 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — No Item Name Available |
| Manufacturer | Cummins Filtration Inc. |
| Status | ACTIVE |
| Inlet Outside Diameter | 3.626 INCHES MINIMUM AND 3.646 INCHES MAXIMUM SINGLE INLET IN |
| Inlet Location | LOCATED 4 IN. FROM END OF BODY TO CENTER OF INLET ON SIDE OF BODY IN |
| Outlet Thread Direction | RIGHT-HAND FIRST OUTLET |
| Inlet Projection Length | 8.250 INCHES NOMINAL SINGLE INLET IN |
| Outlet Location | CENTRALLY LOCATED IN END SECT. OF BODY |
| Operating Position | HORIZONTAL |
| Outlet Connection Type | THREADED FIRST OUTLET |
| Tube Quantity | 2 |
| Body Shape | ROUND |
| Outlet Thread Size | 3-8 FIRST OUTLET |
| Material | STEEL LOCATION NOT OTHERWISE SPECIFIED |
| Outlet Thread Series Designator | NPT FIRST OUTLET |
| Thread Location | EXTERNAL FIRST OUTLET |
| Surface Treatment | ALUMINUM ALLOY |
| Design Type | DRY |
| Overall Diameter | 7.125 INCHES NOMINAL IN |
| Muffler Design | MULTIPASS |
| Outlet Projection Length | 4.000 INCHES NOMINAL FIRST OUTLET IN |
| Inlet Inside Diameter | 3.505 INCHES MINIMUM AND 3.525 INCHES MAXIMUM SINGLE INLET IN |
| Coolant Type | AIR |
| Inlet Connection Type | UNTHREADED SINGLE INLET |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 2990-00-678-0072 is a Muffler,exhaust, manufactured by Cummins Filtration Inc., classified under FSC 2990 (No Item Name Available). Status: active.
NSN 2990-00-678-0072 has 4 cross-referenced part numbers: 6209 (Cummins Filtration Inc.), ABT6209 (Ar Bee Corp), ABT6209 (Brighton Cromwell Llc), T6209 (Cummins Filtration Inc.).
There are 12 known substitutes for 2990-00-678-0072: 3110-00-144-8668, 5306-00-146-7371, 3110-00-158-7244 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for T6209: Inlet Outside Diameter: 3.626 INCHES MINIMUM AND 3.646 INCHES MAXIMUM SINGLE INLET IN; Inlet Location: LOCATED 4 IN. FROM END OF BODY TO CENTER OF INLET ON SIDE OF BODY IN; Outlet Thread Direction: RIGHT-HAND FIRST OUTLET; Inlet Projection Length: 8.250 INCHES NOMINAL SINGLE INLET IN. 22 total characteristics are documented in the Federal Logistics Information System.