Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 33-0103-00 found under Stem Needle Valve by A Dec Inc. The National Stock Number assigned to this part is 4820012987057, 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 33-0103-00.