MIL-DTL-38999 Series II connectors feature up to 128 contacts enclosed in an insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. These environmentally sealed connectors come in various configurations, including front wall mount, rear wall mount, jam nut, rear box mount, and front box mount receptacles. Available in 9 shell sizes and 52 insert arrangements, they utilize M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 12. Constructed with aluminum shells, they offer plating options such as light iridescent yellow cadmium, olive drab cadmium, electroless nickel, and black anodized aluminum, with RoHS-certified cadmium-free finishes. The connectors, meeting MIL-DTL-38999 II specifications, ensure reliable performance in demanding applications, with contact plating in gold, operating at a maximum temperature of 150 °C and a minimum of -65 °C. Suitable for wall mounting, these connectors are crucial for maintaining connectivity in critical environments, boasting a service rating of I and a service class of E, making them ideal for environment-resistant box and through bulkhead mounting receptacle types. With a contact gender of female and a conductivity of conductive, these connectors guarantee efficient signal transmission and durability, with an ingress protection rating of environment-resistant. An essential component in various industrial and military applications, these connectors are meticulously engineered to withstand challenging conditions, with a contact style of socket and a contact mating life of 500 cycles, ensuring long-term reliability in mission-critical operations.
