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 styles like front and rear wall mount, jam nut, and box mount receptacles, these connectors offer versatility. With options for straight, RFI grounding, and standard plugs, they cater to different connectivity needs. Utilizing M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 12, these connectors ensure secure connections. Constructed with aluminum shells and offered in different plating finishes including cadmium and electroless nickel, they provide durability and performance. Suitable for military and industrial applications, the MIL-DTL-38999 Series II connectors are reliable in demanding settings.