DS EN 3372-008:2007 Aerospace Series - Connectors, Electrical, Circular, Medium And High Contact Density, Scoop-Proof With Bayonet Coupling, Operating Temperatures -65 Degrees C To 175 Degrees C Or 200 Degrees C Continuous - Part 008: Free Plug With Grounding Spring - Product Standard Defines the characteristics of the free plug connector fitted with a grounding spring in the family of circular electrical connectors coupled by bayonet ring.