Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number ABU 26B A found under Panel Fault Functio by Joint Electronics Type Designation. The National Stock Number assigned to this part is 1680013611051, and the Federal Supply Class is 1680 Miscellaneous Aircraft Accessories And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like ABU 26B A.