Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MP7521UD 883B found under Microcircuit Linear by Micro Power Systems Inc. The National Stock Number assigned to this part is 5962010384561, 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 MP7521UD 883B.