DS EN 3155-064:2009 Aerospace Series - Electrical Contacts Used In Elements Of Connection - Part 064: Contacts, Electrical, Coaxial, 50 Ohms, Size 1, Female, Type D, Solder, Class R - Product Standard Defines the required characteristics, tests and tooling applicable to female electrical coaxial contacts, size 1, type D, class R, used in elements of connection according to EN 3155-002.