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 from -65 °C to 200 °C. Available in various mount types including front and rear wall mount, jam nut, and box mount receptacles, they offer versatility for different applications. The connectors come in aluminum shells with options for plating such as cadmium, electroless nickel, and black anodized finishes. Utilizing M39029 rear release crimp contacts, they ensure secure connections with sizes ranging from 22D to 12. With a 90-degree cable clamp and RFI grounding capabilities, these connectors cater to diverse connectivity needs. RoHS compliant options are also available.