Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number L1422H12D-1-A-TB-20HZ found under Counter Electronic Digital Reado by Kessler Ellis Products Co. The National Stock Number assigned to this part is 6625012206349, 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 L1422H12D-1-A-TB-20HZ.