Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number UM1-11FSS found under Connector Receptacle Electrical by Winchester Electronics. The National Stock Number assigned to this part is 5935009478050, 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 UM1-11FSS.