MIL-DTL-38999 Series II connectors are designed for robust performance in harsh environments, featuring up to 128 contacts within an environmentally sealed insert. With an operating temperature range of -65 °C to 200 °C, these connectors offer reliable connectivity in extreme conditions. Available in various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, they cater to diverse installation needs. The connectors come in aluminum shells with plating options including cadmium-free finishes, ensuring compliance with RoHS regulations. Utilizing M39029 rear release crimp contacts, these connectors guarantee secure connections with male pin contact style. Suitable for military and industrial applications, they boast a service rating of II and provide 500 mating cycles. With their conductive nature and environment-resistant design, MIL-DTL-38999 Series II connectors are ideal for demanding electronic systems.