Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 821 0012 903 found under Shell Electrical Co by Bf Goodrich Aerospace. The National Stock Number assigned to this part is 5935011236572, and the Federal Supply Class is 5935 Connectors Electrical. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 821 0012 903.