Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number EJ504-105 found under Adapter Connector by Microwave Engineering Corporation. The National Stock Number assigned to this part is 5935013040837, 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 EJ504-105.