The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts and environmental sealing for reliable performance. With a wide operating temperature range of -65 °C to 200 °C, these connectors are suitable for demanding applications. Available in various configurations such as front and rear wall mount, jam nut, and box mount receptacles, they offer flexibility in installation. Constructed with aluminum shells and offering multiple plating options, including RoHS certified finishes, these connectors ensure durability and compliance with industry standards. Utilizing removable crimp contacts, they provide secure electrical connections. Suitable for military and aerospace applications, these connectors are engineered for high reliability, with a mating life of 500 cycles.