Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number C528000-277 found under Microcircuit Digital by Microsemi Corp Massachusetts. The National Stock Number assigned to this part is 5962000113001, 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 C528000-277.