Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 803 1385541 1 1 2IN)MOD found under Valve Angle by Milwaukee Valve Company Inc. The National Stock Number assigned to this part is 4820015317343, 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 803 1385541 1 1 2IN)MOD.