MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an insert with environmental sealing. Operating between -65 °C and 200 °C, they offer durability and reliability. Available in various shell sizes and insert arrangements, these connectors utilize M39029 rear release crimp contacts, including sizes 22D, 22M, 22, 20, 16, and 8 for coax and twinax cables. Constructed with high-strength aluminum shells, they come with plating options such as cadmium finishes, electroless nickel, and black anodized aluminum. Their bayonet coupling and straight plug design make them suitable for military and industrial applications requiring secure and efficient connectivity in challenging conditions.
