MIL-DTL-38999 Series II connectors feature up to 128 contacts in an insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in various mounting options including front and rear wall mount, jam nut, and box mount receptacles, they offer versatility for different applications. With 52 insert arrangements and M39029 rear release crimp contacts, these connectors ensure reliable performance. Constructed with aluminum shells and plating options such as electroless nickel and cadmium finishes, they meet military specifications for durability. The straight plug design with EMI/RFI shielding and gold contact plating guarantees secure connections in demanding environments. Suitable for a wide range of industries, these connectors provide excellent conductivity and environmental resistance for critical applications.