The Muffler,exhaust, cataloged under National Stock Number 2990-00-966-9133, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Walker Mfg Co. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 2990-00-966-9133 |
| Primary Part Number | 22808 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — No Item Name Available |
| Manufacturer | Walker Mfg Co |
| Status | CANCELLED |
| Tube Quantity | 3 |
| Inlet Connection Type | UNTHREADED SINGLE INLET |
| Material | STEEL LOCATION NOT OTHERWISE SPECIFIED |
| Outlet Location | OFFSET IN END SECTION OF BODY 2.000 IN. C OF OUTLET TO C OF BODY IN |
| Overall Diameter | 8.500 INCHES NOMINAL IN |
| Outlet Inside Diameter | 3.000 INCHES NOMINAL FIRST OUTLET IN |
| Inlet Inside Diameter | 3.500 INCHES NOMINAL SINGLE INLET IN |
| Design Type | DRY |
| Outlet Connection Type | UNTHREADED FIRST OUTLET |
| Inlet Location | OFFSET IN END SECTION OF BODY 1.750 IN. C OF INLET TO C OF BODY IN |
| Inlet Projection Length | 2.500 INCHES NOMINAL SINGLE INLET IN |
| Surface Treatment | ALUMINUM |
| Muffler Design | MULTIPASS |
| Outlet Projection Length | 2.500 INCHES NOMINAL FIRST OUTLET IN |
| Coolant Type | AIR |
| Body Shape | ROUND |
| Operating Position | UNIVERSAL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 22808 PRIMARY | Walker Mfg Co (USA) |
| M08501 | Donaldson Company, Inc. (USA) |
| A12272 | Lacquer Co of America (USA) |
| A12272 | Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (USA) |
| 549468C1 | Navistar Intl Corp Truck Br Ohio Plant (USA) |
| 8011752-5 | Garwood/feller Inc Garwood Winch Div (USA) |
| MZM08-5008 PRIMARY | Donaldson Company, Inc. (USA) |
NSN 2990-00-966-9133 is a Muffler,exhaust, manufactured by Walker Mfg Co, classified under FSC 2990 (No Item Name Available). Status: cancelled.
NSN 2990-00-966-9133 has 7 cross-referenced part numbers: 22808 (Walker Mfg Co), M08501 (Donaldson Company, Inc.), A12272 (Lacquer Co of America), A12272 (Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc), 549468C1 (Navistar Intl Corp Truck Br Ohio Plant) and 2 more.
There are 7 known substitutes for 2990-00-966-9133: 1650-00-071-6369, 5950-00-090-7593, 2910-01-143-4403 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 22808: Tube Quantity: 3; Inlet Connection Type: UNTHREADED SINGLE INLET; Material: STEEL LOCATION NOT OTHERWISE SPECIFIED; Overall Length: 43.000 INCHES NOMINAL IN. 18 total characteristics are documented in the Federal Logistics Information System.
NSN 2990-00-966-9133 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.