MIL-DTL-38999 Series II connectors are designed for rugged environments, offering up to 128 contacts in an insert with environmental sealing. Operating between -65 °C and 200 °C, these connectors come in various mounting options such as front wall, rear wall, jam nut, and box mount receptacles. Available in aluminum shells with plating options including cadmium and nickel, they meet military specifications for durability. Featuring Removable Crimp Contacts, these connectors ensure reliable connectivity with a mating life of 500 cycles. With EMI/RFI shielding and a straight plug design, they are ideal for applications requiring secure and high-performance electrical connections.