MIL-DTL-38999 Series II connectors, designed for harsh environments, feature up to 128 contacts in an insert. These environmentally sealed connectors have an operating temperature range from -65°C to 200°C. Available in various styles including front and rear wall mount, jam nut, and box mount receptacles, they offer versatility in installation. With options for straight, RFI grounding, and standard plugs, along with 52 insert arrangements, these connectors cater to diverse needs. Constructed with aluminum shells and offering multiple plating options like electroless nickel and cadmium finishes, they ensure durability and reliable performance. The use of M39029 rear release crimp contacts, in sizes 22D, 22M, 22, 20, 16, and 12, further enhances their functionality. Meeting MIL-DTL-38999 II specifications, these connectors are ideal for military and industrial applications requiring rugged and high-performance connectivity.