The 201311-1 is a 75-position standard receptacle block housing from the AMP M Series. This unloaded housing is constructed from black phenolic material, which has a temperature rating of -55°C to +150°C and a UL94V-0 flammability rating. It is designed to accept a variety of interchangeable contacts, including Type II, Type III+, and subminiature COAXICON contacts, allowing for mixed signal, power, and coaxial connections. These versatile connectors are suitable for a wide range of applications, including industrial, medical, and military equipment requiring robust and reliable interconnects.