MIL-DTL-38999 Series II connectors feature up to 128 contacts within an environmentally sealed insert, designed for harsh environments with a wide operating temperature range of -65 °C to 200 °C. Available in various mounting styles including front wall, rear wall, jam nut, and box mount receptacles, they offer versatility in installation. These connectors come in 9 shell sizes and 52 insert arrangements, accommodating M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 12. Constructed with aluminum shells and offering multiple plating options such as gold, electroless nickel, and cadmium-free finishes, they ensure reliable performance in demanding applications. With a bayonet coupling and socket contact style, they provide secure and conductive connections, meeting stringent military specifications for durability and performance in diverse operating environments.
