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 mounting options including front wall, rear wall, jam nut, and box mount receptacles, these connectors offer versatility in installation. With options for straight, RFI grounding, and standard plugs, they accommodate different cable setups. Constructed with aluminum shells and offering a selection of plating finishes, including RoHS compliant options, they ensure durability and reliability. Utilizing M39029 rear release crimp contacts, these connectors guarantee secure connections with a mating life of 500 cycles. Suitable for military and industrial applications, they provide excellent conductivity and ingress protection, making them ideal for demanding environments.