Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 89016028-1 found under Antenna Assembly Ai by Drs Training And Control Systems Llc. The National Stock Number assigned to this part is 6920013788982, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 89016028-1.