The Muffler,exhaust, cataloged under National Stock Number 2990-00-876-4704, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Donaldson Company, Inc.. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 33 commercial cross-references from 16 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 | 2990-00-876-4704 |
| Primary Part Number | MZM070043 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — No Item Name Available |
| Manufacturer | Donaldson Company, Inc. |
| Status | CANCELLED |
| Design Type | JACKETED |
| Overall Diameter | 7.000 INCHES NOMINAL IN |
| Muffler Design | MULTIPASS |
| Outlet Location | OFFSET LOCATED ON END OF BODY |
| Material | ASBESTOS INSULATION |
| Body Shape | ROUND |
| Inlet Projection Length | 2.500 INCHES NOMINAL SINGLE INLET IN |
| Outlet Inside Diameter | 2.250 INCHES NOMINAL FIRST OUTLET IN |
| Surface Treatment | ALUMINUM OR ZINC |
| Outlet Projection Length | 2.500 INCHES NOMINAL FIRST OUTLET IN |
| Outlet Connection Type | UNTHREADED FIRST OUTLET |
| Material | STEEL LOCATION NOT OTHERWISE SPECIFIED |
| Operating Position | HORIZONTAL |
| Tube Quantity | 3 |
| Inlet Location | OFFSET LOCATED ON END OF BODY |
| Inlet Inside Diameter | 2.750 INCHES NOMINAL SINGLE INLET IN |
| Inlet Connection Type | UNTHREADED SINGLE INLET |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| IH27 | Maremont Corp (USA) |
| 243658R91 | Navistar International Corporation Dba Navistar (USA) |
| 033-243658R91 | Ar Bee Corp (USA) |
| MZM070043 PRIMARY | Donaldson Company, Inc. (USA) |
| 243658R91 | Navistar Intl Corp Truck Br Ohio Plant (USA) |
| T-14076 | Cummins Filtration Inc. (USA) |
| 207761R91 | Navistar Intl Corp Truck Br Ohio Plant (USA) |
| 33-243658R91 | Brighton Cromwell Llc (USA) |
| M931 | Goerlichs (USA) |
| 21152 PRIMARY | Walker Mfg Co (USA) |
| T5059A | General Motors Corp (USA) |
| T-10806 | Cummins Filtration Inc. (USA) |
| 465969C1 | Navistar Intl Corp Truck Br Ohio Plant (USA) |
| 609 | Ap Parts Co Industrial Sales Div (USA) |
| 207761R91 | Navistar International Corporation Dba Navistar (USA) |
| 932 | Walker Mfg Co (USA) |
| 244003R91 | Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA) |
| 86140-C PRIMARY | Cummins Filtration Inc. (USA) |
| 243658R91 | Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA) |
| MZM070029 | General Motors Corp (USA) |
NSN 2990-00-876-4704 is a Muffler,exhaust, manufactured by Donaldson Company, Inc., classified under FSC 2990 (No Item Name Available). Status: cancelled.
NSN 2990-00-876-4704 has 33 cross-referenced part numbers: IH27 (Maremont Corp), 243658R91 (Navistar International Corporation Dba Navistar), 033-243658R91 (Ar Bee Corp), MZM070043 (Donaldson Company, Inc.), 243658R91 (Navistar Intl Corp Truck Br Ohio Plant) and 28 more.
There are 12 known substitutes for 2990-00-876-4704: 5306-00-017-5123, 5306-00-061-0105, 5130-00-134-7785 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for MZM070043: Design Type: JACKETED; Overall Diameter: 7.000 INCHES NOMINAL IN; Muffler Design: MULTIPASS; Overall Length: 36.250 INCHES NOMINAL IN. 18 total characteristics are documented in the Federal Logistics Information System.
NSN 2990-00-876-4704 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.