Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 122 0553 00 found under Microcircuit Digita by Honeywell Aerospace. The National Stock Number assigned to this part is 5962012899979, 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 122 0553 00.