Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 05A 44 4466 YB SEPSEP found under Valve Ball by Flowserve Corporation. The National Stock Number assigned to this part is 4820997338664, 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 05A 44 4466 YB SEPSEP.