Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 421278 010 found under Cable Assembly Spec by Aeronautical Instrument And Radio. The National Stock Number assigned to this part is 6150012113344, and the Federal Supply Class is 6150 Miscellaneous Electric Power And Distribution Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 421278 010.