DS EN 3155-077:2012 Aerospace Series - Electrical Contacts Used In Elements Of Connection - Part 077: Contacts, Electrical, Female, Type A, Crimp, Class R - Product Standard Defines the required characteristics, tests and tooling applicable to female contacts size 22, 20, 16, 12, 8 and 5, type A, crimp, class R, used in elements of connection according to EN 3155-002.