Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number EW-7D-BF found under Wirewrap Tool by O K Intl Inc. The National Stock Number assigned to this part is 7021011486523, and the Federal Supply Class is 7021 Adp Central Processing Unit Cpu Computer Digital. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like EW-7D-BF.