Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 12703F2 found under Cap Valve by Ryan Industries Div Of Cordon. The National Stock Number assigned to this part is 4820004031290, 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 12703F2.