MS27656 - Connectors, Receptacle, Electrical, Back Panel, Wall Mounting Flange, Crimp Type, Bayonet Coupling, 38999 Series I, featuring 37 gold-plated removable crimp contacts for reliable conductivity in harsh environments. With a wide operating temperature range of -65°C to 175°C, these circular receptacles are designed for military applications. Constructed with a durable aluminum shell and available in various finishes including Electroless Nickel and Cadmium Olive Drab, they offer enhanced environmental resistance. The wall mounting back panel design with a shell size of 15 and contact size 22D(37) ensures secure installation. With a service rating of M and a mating life of 500 cycles, these connectors are suitable for demanding military and aerospace systems.