The Muffler,exhaust, cataloged under National Stock Number 2990-00-078-7892, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Allied Witan Co Dba Alwitco. Government technical data includes 15 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: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 2990-00-078-7892 |
| Primary Part Number | M05 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — No Item Name Available |
| Manufacturer | Allied Witan Co Dba Alwitco |
| Status | CANCELLED |
| Inlet Projection Length | 0.500 INCHES NOMINAL SINGLE INLET IN |
| Inlet Thread Size | 1/2-14 SINGLE INLET |
| Inlet Thread Location | EXTERNAL SINGLE INLET |
| Design Type | JACKETED |
| Overall Diameter | 3.250 INCHES NOMINAL IN |
| Inlet Thread Series Designator | NPT SINGLE INLET |
| Nonconnection Outlet Location | LOCATED ON THE OUTER PERIMETER OF BODY |
| Inlet Location | IN END SECTION OF BODY |
| Muffler Design | STRAIGHT THROUGH |
| Operating Position | UNIVERSAL |
| Nonconnection Outlet Size | 0.062 IN. DIA IN |
| Material | ALUMINUM ALLOY LOCATION NOT OTHERWISE SPECIFIED |
| Thread Direction | RIGHT-HAND SINGLE INLET |
| Nonconnection Outlet Type and Quantity | 1 PERFORATED |
| Material | PLASTIC PHENOLIC INSULATION |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 2990-00-078-7892 is a Muffler,exhaust, manufactured by Allied Witan Co Dba Alwitco, classified under FSC 2990 (No Item Name Available). Status: cancelled.
NSN 2990-00-078-7892 has 4 cross-referenced part numbers: 05 (Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit), M05 (Allied Witan Co Dba Alwitco), 89853 (Device Corporation), 05 (Allied Witan Co Dba Alwitco).
There are 12 known substitutes for 2990-00-078-7892: 5342-00-045-5052, 5330-00-045-5054, 8105-00-117-9870 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for M05: Inlet Projection Length: 0.500 INCHES NOMINAL SINGLE INLET IN; Inlet Thread Size: 1/2-14 SINGLE INLET; Inlet Thread Location: EXTERNAL SINGLE INLET; Design Type: JACKETED. 17 total characteristics are documented in the Federal Logistics Information System.
NSN 2990-00-078-7892 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.