Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CXK58257CM-70LL found under Microcircuit Digital by Sony Corporation. The National Stock Number assigned to this part is 5962014687148, 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 CXK58257CM-70LL.