The MIL-DTL-38999 Series I connectors feature up to 128 contacts in an insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Offering front and rear wall mount options as well as jam nut receptacles, they ensure secure connections. Utilizing M39029 rear release crimp contacts, available in various sizes, these connectors are versatile. Constructed with high-strength aluminum shells and offered in different plating options including cadmium-free finishes, they guarantee durability and reliability. With a bayonet coupling and socket contact style, they provide easy and efficient connectivity. Perfect for military and aerospace applications, these connectors meet stringent performance standards.