Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number S16-63123-0 found under Subplate Assembly Valve by Hagglunds Drive Production Ab. The National Stock Number assigned to this part is 4820013758568, 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 S16-63123-0.