Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SP10574B found under Microcircuit Digita by Plessey Trading Corp. The National Stock Number assigned to this part is 5962010898974, 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 SP10574B.