Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 50508-5 found under Controller Motor by Evoqua Water Technologies Llc. The National Stock Number assigned to this part is 6110012846446, and the Federal Supply Class is 6110 Electrical Control Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 50508-5.