The Muffler,exhaust, cataloged under National Stock Number 2990-00-588-4339, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Dressta North America Ltd. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-00-588-4339 |
| Primary Part Number | 244004R91 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — No Item Name Available |
| Manufacturer | Dressta North America Ltd |
| Status | ACTIVE |
| Overall Diameter | 6.000 INCHES NOMINAL IN |
| Body Shape | ROUND |
| Outlet Location | CENTRALLY LOCATED IN END SECTION OF BODY |
| Operating Position | HORIZONTAL |
| Inlet Location | CENTRALLY LOCATED IN END SECTION OF BODY |
| Outlet Connection Type | UNTHREADED FIRST OUTLET |
| Muffler Design | BAFFLE |
| Inlet Projection Length | 5.000 INCHES NOMINAL SINGLE INLET IN |
| Outlet Projection Length | 5.000 INCHES NOMINAL FIRST OUTLET IN |
| Outlet Inside Diameter | 2.500 INCHES NOMINAL FIRST OUTLET IN |
| Coolant Type | AIR |
| Surface Treatment | ALUMINUM ALLOY |
| Tube Quantity | 1 |
| Material | STEEL LOCATION NOT OTHERWISE SPECIFIED |
| Inlet Connection Type | UNTHREADED SINGLE INLET |
| Design Type | DRY |
| Inlet Inside Diameter | 2.500 INCHES NOMINAL SINGLE INLET IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| HD250 | Riker Products (USA) |
| 142414R91 | Navistar Intl Corp Truck Br Ohio Plant (USA) |
| 203-395 | Morgen Industries Inc (USA) |
| PC340 | Alexander Tagg Industries Inc (USA) |
| 244004R91 PRIMARY | Dressta North America Ltd (USA) |
| 244004R91 | Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA) |
| 142414R91 | Navistar International Corporation Dba Navistar (USA) |
| 142414R91 | Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA) |
NSN 2990-00-588-4339 is a Muffler,exhaust, manufactured by Dressta North America Ltd, classified under FSC 2990 (No Item Name Available). Status: active.
NSN 2990-00-588-4339 has 8 cross-referenced part numbers: HD250 (Riker Products), 142414R91 (Navistar Intl Corp Truck Br Ohio Plant), 203-395 (Morgen Industries Inc), PC340 (Alexander Tagg Industries Inc), 244004R91 (Dressta North America Ltd) and 3 more.
There are 8 known substitutes for 2990-00-588-4339: 2930-00-033-2806, 4730-00-051-8748, 3110-00-100-0799 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 244004R91: Overall Diameter: 6.000 INCHES NOMINAL IN; Body Shape: ROUND; Outlet Location: CENTRALLY LOCATED IN END SECTION OF BODY; Operating Position: HORIZONTAL. 19 total characteristics are documented in the Federal Logistics Information System.