The Muffler,exhaust, cataloged under National Stock Number 2990-01-174-4164, 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 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 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 | 2990-01-174-4164 |
| Primary Part Number | 22231 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — No Item Name Available |
| Manufacturer | Walker Mfg Co |
| Status | ACTIVE |
| Operating Position | HORIZONTAL |
| Design Type | DRY |
| Body Shape | OVAL |
| Coolant Type | AIR |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 578 268 C1 | Navistar Intl Corp Truck Br Ohio Plant (USA) |
| 578068C1 | Navistar Intl Corp Truck Br Ohio Plant (USA) |
| 22231 PRIMARY | Walker Mfg Co (USA) |
NSN 2990-01-174-4164 is a Muffler,exhaust, manufactured by Walker Mfg Co, classified under FSC 2990 (No Item Name Available). Status: active.
NSN 2990-01-174-4164 has 3 cross-referenced part numbers: 578 268 C1 (Navistar Intl Corp Truck Br Ohio Plant), 578068C1 (Navistar Intl Corp Truck Br Ohio Plant), 22231 (Walker Mfg Co).
There are 8 known substitutes for 2990-01-174-4164: 5305-00-282-3230, 5950-00-813-6404, 8030-01-069-3046 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 22231: Operating Position: HORIZONTAL; Design Type: DRY; Body Shape: OVAL; Coolant Type: AIR. 4 total characteristics are documented in the Federal Logistics Information System.