MS27656T17B6P is a MIL-DTL-38999 Series I connector featuring a back panel wall-mounting receptacle with a durable aluminum shell construction. This high-reliability connector is designed for harsh environments, with a wide operating temperature range from -65°C to 175°C. It accommodates 6 removable crimp contacts (size 12), plated with gold for enhanced conductivity. The bayonet coupling mechanism ensures secure mating, rated for 500 cycles. With an electroless nickel and cadmium olive drab finish, this connector offers excellent corrosion resistance. Its environmental sealing and conductive construction make it ideal for military and aerospace applications, providing reliable performance in demanding conditions.