Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1966-022 found under Microcircuit Digita by Solid State Testing Inc. The National Stock Number assigned to this part is 5962011308592, and the Federal Supply Class is 5962 Microcircuits Electronic. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 1966-022.