Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number J500-3A3A3-5 found under Prom Board Rass by National Weather Service. The National Stock Number assigned to this part is 5962013940261, 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 J500-3A3A3-5.