Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 850 066 4 found under Gasket by Greaves Farymann Diesel Gmbh. The National Stock Number assigned to this part is 5330123186412, and the Federal Supply Class is 5330 Packing And Gasket Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 850 066 4.