MIL-DTL-38999/20 - Harsh Environment Wall Mount Receptacle Connectors, featuring 37 gold-plated removable crimp contacts for reliable electrical connections in extreme conditions. Part of the Series III military specification, these circular connectors are designed for rugged performance, with a composite shell construction and environmentally resistant nickel plating. With a wide operating temperature range from -65°C to 200°C, they are suited for demanding applications. The D35 shell size and 22D contact arrangement offer versatility, while the threaded mating style ensures secure connections. Rated for 500 mating cycles, these connectors provide long-lasting durability in high-reliability environments. Non-RoHS compliant.