MIL-DTL-38999 Series II connectors feature up to 128 contacts in an insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in various configurations, including front and rear wall mount, jam nut, and box mount receptacles, these connectors ensure secure and reliable connections. Constructed with aluminum shells and offered in RoHS compliant finishes, such as electroless nickel and cadmium olive drab, they provide durability and protection against environmental elements. Utilizing M39029 rear release crimp contacts, these connectors guarantee efficient connectivity in demanding applications, with a mating cycle of 500 cycles. Suitable for military and industrial use, the MIL-DTL-38999 II connectors are ideal for critical operations where performance and reliability are paramount.