Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BKB505181 found under Connector Receptacle Electrical by Marconi Space Systems Ltd. The National Stock Number assigned to this part is 5935000522079, 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 BKB505181.