The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert with environmental sealing. Operating in temperatures ranging from -65 °C to 200 °C, they offer reliability in extreme conditions. Available in various mount types including front and rear wall mount, jam nut, and box mount receptacles, these connectors ensure secure and efficient connections. With options for straight, RFI grounding, and standard plugs, they accommodate different cable configurations. Utilizing M39029 rear release crimp contacts, in sizes 22D, 22M, 22, 20, 16, and 12, these connectors provide flexibility in contact arrangements. Constructed with aluminum shells and offering multiple plating options, including cadmium-free finishes, they meet diverse application needs. Certified for RoHS compliance, these connectors guarantee environmental responsibility.