Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number UM1-11M found under Connector Receptacl by Winchester Electronics. The National Stock Number assigned to this part is 5935001367171, 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 UM1-11M.