The MIL-DTL-38999 Series II connectors offer high-performance connectivity with up to 128 contacts in an insert, designed for harsh environments with a wide operating temperature range of -65 °C to 200 °C. Featuring various mounting options including front and rear wall mount, jam nut, and box mount receptacles, these connectors ensure secure and reliable connections. Available in 9 shell sizes and 52 insert arrangements, they utilize M39029 rear release crimp contacts for easy installation. Constructed with aluminum shells and offering plating options such as electroless nickel and cadmium finishes, they meet stringent military specifications for durability. With gold-plated contacts and a mating type of bayonet, they provide excellent conductivity and 500 mating cycles. RoHS compliant options are available, making them suitable for a wide range of applications requiring rugged and reliable circular connectors.
