Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 648Z1768-1 found under Indicator Digital Display by Drs Training And Control Systems Llc. The National Stock Number assigned to this part is 6625011856482, 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 648Z1768-1.