The Muffler,exhaust, cataloged under National Stock Number 2990-00-163-0818, 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 26 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 | 2990-00-163-0818 |
| Primary Part Number | 08273M |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — No Item Name Available |
| Manufacturer | Cummins Filtration Inc. |
| Status | CANCELLED |
| Outlet Projection Length | 2.000 INCHES NOMINAL FIRST OUTLET IN |
| Tube Quantity | 3 |
| Material | STEEL LOCATION NOT OTHERWISE SPECIFIED |
| Outlet Inside Diameter | 1.355 INCHES MINIMUM AND 1.375 INCHES MAXIMUM FIRST OUTLET IN |
| Muffler Design | MULTIPASS |
| Coolant Type | AIR |
| Design Type | DRY |
| Body Shape | OVAL |
| Coolant Type | AIR |
| Operating Position | HORIZONTAL |
| Baffle Quantity | 2 |
| Muffler Design | MULTIPASS |
| Inlet Connection Type | UNTHREADED SINGLE INLET |
| Outlet Inside Diameter | 1.355 INCHES MINIMUM AND 1.375 INCHES MAXIMUM FIRST OUTLET IN |
| Tube Quantity | 3 |
| Outlet Location | LOCATED IN SAME END AS INLET ON VERTICAL CENTER LINE,0.565 IN. ABOVE HORIZONTAL CENTER LINE IN |
| Inlet Inside Diameter | 1.770 INCHES MINIMUM AND 1.790 INCHES MAXIMUM SINGLE INLET IN |
| Inlet Projection Length | 2.000 INCHES NOMINAL SINGLE INLET IN |
| Baffle Quantity | 2 |
| Inlet Location | LOCATED IN END SECTION OF BODY ON VERTICAL CENTER LINE,2.875 IN. ABOVE HORIZONTAL CENTER LINE IN |
| Outlet Location | LOCATED IN SAME END AS INLET ON VERTICAL CENTER LINE,0.565 IN. ABOVE HORIZONTAL CENTER LINE IN |
| Outlet Projection Length | 2.000 INCHES NOMINAL FIRST OUTLET IN |
| Outlet Outside Diameter | 1.475 INCHES MINIMUM AND 1.495 INCHES MAXIMUM FIRST OUTLET IN |
| Inlet Outside Diameter | 1.890 INCHES MINIMUM AND 1.910 INCHES MAXIMUM SINGLE INLET IN |
| Design Type | DRY |
| Inlet Location | LOCATED IN END SECTION OF BODY ON VERTICAL CENTER LINE,2.875 IN. ABOVE HORIZONTAL CENTER LINE IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 8273 | Cummins Filtration Inc. (USA) |
| T-8273 | Cummins Filtration Inc. (USA) |
| 74776821-3 | Kalmar AC Inc (USA) |
| 74776821 | Kalmar AC Inc (USA) |
| 4838289 | Kalmar AC Inc (USA) |
| 74838289 | Kalmar AC Inc (USA) |
| 08273M PRIMARY | Cummins Filtration Inc. (USA) |
| ABT8273 | Ar Bee Corp (USA) |
| ABT8273 | Brighton Cromwell Llc (USA) |
NSN 2990-00-163-0818 is a Muffler,exhaust, manufactured by Cummins Filtration Inc., classified under FSC 2990 (No Item Name Available). Status: cancelled.
NSN 2990-00-163-0818 has 9 cross-referenced part numbers: 8273 (Cummins Filtration Inc.), T-8273 (Cummins Filtration Inc.), 74776821-3 (Kalmar AC Inc), 74776821 (Kalmar AC Inc), 4838289 (Kalmar AC Inc) and 4 more.
There are 12 known substitutes for 2990-00-163-0818: 3110-00-100-0294, 3110-00-198-1422, 5331-00-288-2371 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 08273M: Outlet Projection Length: 2.000 INCHES NOMINAL FIRST OUTLET IN; Tube Quantity: 3; Material: STEEL LOCATION NOT OTHERWISE SPECIFIED; Outlet Inside Diameter: 1.355 INCHES MINIMUM AND 1.375 INCHES MAXIMUM FIRST OUTLET IN. 30 total characteristics are documented in the Federal Logistics Information System.
NSN 2990-00-163-0818 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.