Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AE77875U found under Valve Ball by Eaton Corporation. The National Stock Number assigned to this part is 4820016328944, and the Federal Supply Class is 4820 Valves Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like AE77875U.