The Muffler,exhaust, cataloged under National Stock Number 2990-00-931-8078, 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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 16 commercial cross-references from 13 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 | 2990-00-931-8078 |
| Primary Part Number | 873578R91 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — No Item Name Available |
| Manufacturer | Dressta North America Ltd |
| Status | CANCELLED |
| Outlet Inside Diameter | 2.000 INCHES NOMINAL FIRST OUTLET IN |
| Muffler Design | MULTIPASS |
| Design Type | JACKETED |
| Tube Quantity | 3 |
| Body Shape | ROUND |
| Outlet Location | CENTRALLY LOCATED ON END OF BODY |
| Inlet Inside Diameter | 2.500 INCHES NOMINAL SINGLE INLET IN |
| Outlet Connection Type | UNTHREADED FIRST OUTLET |
| Inlet Connection Type | UNTHREADED SINGLE INLET |
| Outlet Projection Length | 2.375 INCHES NOMINAL FIRST OUTLET IN |
| Inlet Location | CENTRALLY LOCATED ON END OF BODY |
| Material | STEEL LOCATION NOT OTHERWISE SPECIFIED |
| Overall Diameter | 5.000 INCHES NOMINAL IN |
| Inlet Projection Length | 2.375 INCHES NOMINAL SINGLE INLET IN |
| Material | ASBESTOS INSULATION |
| Operating Position | HORIZONTAL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 873578R91 PRIMARY | Dressta North America Ltd (USA) |
| IH29 | General Dynamics - Ots, Inc. (USA) |
| IH29 PRIMARY | Maremont Corp (USA) |
| 242148R91 | Navistar Intl Corp Truck Br Ohio Plant (USA) |
| 231488R91 | Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA) |
| 873578R91 | Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA) |
| 242148R91 | Navistar International Corporation Dba Navistar (USA) |
| 472E | International Parts Corp Div of Midas-International Corp (USA) |
| 873578R91 | Navistar International Corporation Dba Navistar (USA) |
| 21365 PRIMARY | Walker Mfg Co (USA) |
| 1991 PRIMARY | Arvin Industries Inc (USA) |
| 933 PRIMARY | Merit Industries Inc (USA) |
| 737 | Ap Parts Co Youngstown Div (USA) |
| 873578R91 | Navistar Intl Corp Truck Br Ohio Plant (USA) |
| 790 | Haviland Arnold Co (USA) |
| 112 | Harvard Industries (USA) |
NSN 2990-00-931-8078 is a Muffler,exhaust, manufactured by Dressta North America Ltd, classified under FSC 2990 (No Item Name Available). Status: cancelled.
NSN 2990-00-931-8078 has 16 cross-referenced part numbers: 873578R91 (Dressta North America Ltd), IH29 (General Dynamics - Ots, Inc.), IH29 (Maremont Corp), 242148R91 (Navistar Intl Corp Truck Br Ohio Plant), 231488R91 (Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/) and 11 more.
There are 12 known substitutes for 2990-00-931-8078: 5930-00-003-7775, 5996-00-005-2235, 5930-00-007-9220 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 873578R91: Outlet Inside Diameter: 2.000 INCHES NOMINAL FIRST OUTLET IN; Muffler Design: MULTIPASS; Design Type: JACKETED; Overall Length: 27.750 INCHES NOMINAL IN. 17 total characteristics are documented in the Federal Logistics Information System.
NSN 2990-00-931-8078 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.