Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number FT8318C50MS found under Valve Linear Direct by Automatic Switch Company. The National Stock Number assigned to this part is 4820005398122, 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 FT8318C50MS.