The 851 series is a bayonet locking circular connector fully qualified according to the MIL-DTL-26482 series I standard. It is used in a variety of aeronautical, military and industrial applications.851 connectors are ideal for applications with harsh environmental conditions due to their high number of mating cycles (500) and resistance to corrosion (500h salt spray).An audible click ensures a quick and proper mating with a 1/3 bayonet coupling system. This feature eliminates uncertain connections and saves time as well as effort during installation and manipulation.Features and Benefits- Operating temperature range: -55C to +125C- Durability : 500 mating/unmating cycles- Salt spray resistance : up to 500 hours- Flammability rating : UL94 HB - RoHS & REACH compliant configurations availabl