Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BK 1A1907-05 found under Clip Electrical by Mcgraw Edison Co. The National Stock Number assigned to this part is 5999015306357, and the Federal Supply Class is 5999 Miscellaneous Electrical And Electronic Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like BK 1A1907-05.