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 styles including front and rear wall mount, jam nut, and box mount receptacles, these connectors offer versatility in installation. Utilizing M39029 rear release crimp contacts, they ensure secure connections with sizes ranging from 22D to 12. Constructed with aluminum shells and offering plating options like electroless nickel, they meet stringent military specifications for reliability. With RoHS compliant finishes, these connectors are ideal for applications requiring durability and performance in demanding environments.