Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RL20K found under Microcircuit Digital by Raytheon Technical Services Company. The National Stock Number assigned to this part is 5962001375059, 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 RL20K.