The MIL-DTL-38999 Series I connectors, designated as MS27467, are high-performance electrical plugs designed for harsh environments. With straight, crimp-type construction and bayonet coupling, these connectors ensure secure and reliable connections in military and industrial applications. Featuring 21 gold-plated removable crimp contacts, they offer excellent conductivity and durability, rated for 500 mating cycles. Encased in a rugged aluminum shell with electroless nickel or cadmium olive drab finish, they provide superior protection against environmental factors. With a wide operating temperature range of -65°C to 175°C, these connectors are suitable for the most demanding conditions, making them ideal for use in II service rating environments. Available in straight plug shell style and size 23-21, they are compatible with various mounting receptacles and plug types, offering versatility in installation. Non-RoHS compliant, these connectors are guaranteed to meet stringent environmental and performance standards.