MIL-DTL-38999 Series II connectors feature up to 128 contacts in an environmentally sealed insert, ideal for harsh environments. With an operating temperature range of -65 °C to 200 °C, these connectors offer reliable performance in extreme conditions. Available in various mounting options including front and rear wall mount, jam nut, and box mount receptacles, they provide versatility for different applications. The straight, RFI grounding, and standard plugs come with 90-degree cable clamps, offering flexibility in installation. Compliant with military specification MIL-DTL-38999 II, these connectors are constructed with aluminum shells and offer a range of plating options including gold, electroless nickel, and cadmium-free finishes. With a service rating of II and ingress protection, they ensure durability and reliability in demanding environments. The connectors are designed for male contact gender, with removable crimp contacts for easy maintenance. Suitable for environment-resistant box and bulkhead mounting, they meet the stringent requirements of service class E.