Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 31 0600 11010 3EL BFV found under Valve Butterfly by Bray Valve And Controls Usa. The National Stock Number assigned to this part is 4820016716850, 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 31 0600 11010 3EL BFV.