The MIL-DTL-38999 Series II connectors feature up to 128 contacts in an environmentally sealed insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in various mounting styles, including wall mount and jam nut receptacles, these connectors offer reliable connectivity. Utilizing M39029 rear release crimp contacts, they ensure secure connections in sizes 22D, 22M, 22, 20, 16, and 12. With options for gold contact plating and electroless nickel finish coating, they provide enhanced conductivity and durability. RoHS compliant versions are also available, meeting environmental standards. Perfect for military and industrial applications, these connectors offer a rugged solution for demanding environments.