F391-53S Flush Valve. Mooney M20 M20K (231).Aircraft With 7/16” 20 Threaded Fit. Click here to purchase or contact the seller of this item on eBay
Current Price: 50.00 USD

Valve mounts in the sump, the same as original plug, with no projection. Cant be knocked off or opened by particles thrown from propellers. Opens only when operated with sampler cup, rod or wire. Clear cup permits inspection for water or contaminants.

F391-53S: Mooney M20J (201) And M20K (231) or Aircraft With 7/16”-20 Threaded Fittting.