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The EN 3155 standard series describes electrical contacts used in elements of connection (such as plugs and receptacles) for aerospace applications. Part 064 specifies 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. This standard is intended to be used together with EN 3155-001. The associated male contacts are defined in EN 3155-063. The contacts defined by this standard are derived from those of SAE-AS39029/97, and intermateable with those of SAE-AS39029/98. The DIN 3155 standard series has been prepared by ASD-STAN, Technical Section Electrics, Avionics, with the participation of German experts of the Aerospace Standards Committee. The European Committee for Standardization (CEN) declared the Aerospace and Defence Industries Association of Europe (ASD-STAN) responsible for the preparation of European standards (EN) for the field of aerospace. The responsible German standardization committee is Working Committee NA 131-04-03 AA "Elektrische Verbindungselemente" ("Connector") of the Aerospace Standards Committee at DIN.