Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number KUG 306A U found under Adapter Connector by Idd Aerospace Corp. The National Stock Number assigned to this part is 5935011455402, 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 KUG 306A U.