Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 551 063 016 found under Connector by Crsi Inc Delaware. The National Stock Number assigned to this part is 5935012339586, and the Federal Supply Class is 5935 Connectors Electrical. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 551 063 016.