MIL-DTL-38999 Series II connectors, featuring up to 128 contacts, are 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 and rear wall mount, jam nut, and box mount receptacles. Available in 9 shell sizes and 52 insert arrangements, they use 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. RoHS compliant finishes are also available. Suitable for military applications, these connectors ensure reliable performance in demanding conditions, with a contact mating life of 500 cycles and conductivity for critical connections.
