Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 14-50-5 found under Gasket Pump by Roth Tank Co. The National Stock Number assigned to this part is 5330005865531, 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 14-50-5.