Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number K12039 found under Installation Kit Electronic Equi by Universal Avionics Systems Corp. The National Stock Number assigned to this part is 7035015527548, and the Federal Supply Class is 7035 Adp Support Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like K12039.