DS EN 3155-057:2006 Aerospace Series - Electrical Contacts Used In Elements Of Connection - Part 057: Contacts, Electrical, Female, Thermocouple Nicr, Type C, Crimp, Class T - Product Standard Defines the required characteristics, tests and tooling applicable to male electrical contacts, thermocouple, NiCr, type C, crimp, class T, used in elements of connection according to EN 3155-002.