Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 53S481AJ 883B found under Microcircuit Digital by 2 Mb Distribution. The National Stock Number assigned to this part is 5962013067763, 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 53S481AJ 883B.