Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 52721 40470 found under Connector Assembly by Aai Corporation. The National Stock Number assigned to this part is 5935011057954, 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 52721 40470.