Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 583R355H03 found under Microcircuit Linear by Austin Semiconductor Inc. The National Stock Number assigned to this part is 5962011554981, 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 583R355H03.