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 of -65 °C to 200 °C. Available in various configurations like front and rear wall mount, jam nut, and box mount receptacles, with straight and 90 degree cable clamp plugs. These connectors, compliant with military specification MIL-DTL-38999 II, come in aluminum shells with options for different plating finishes, including RoHS certified cadmium-free choices. Utilizing M39029 rear release crimp contacts, they ensure reliable connectivity with gold plating and a mating life of 500 cycles. Suitable for demanding applications, they provide EMI/RFI shielding and are rated for environment-resistant service.