Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SMB 00 3H9967 found under Valve Operator by Flowserve Corporation. The National Stock Number assigned to this part is 4820011425193, 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 SMB 00 3H9967.