MIL-DTL-38999 Series I connectors feature up to 128 contacts housed in a sealed insert, designed for harsh environments with an operating temperature range from -65°C to 200°C. The connector family includes front and rear wall mount as well as jam nut receptacles and RFI grounding plugs, offered in 9 shell sizes and 52 insert arrangements. Utilizing M39029 rear release crimp contacts, they come in various sizes, including 22D, 22M, 22, 20, 16, and 8, for coaxial and twinaxial connections. Constructed with high-strength aluminum shells, they offer plating options such as cadmium finishes and electroless nickel for durability. These connectors are ideal for military applications, meeting MIL-DTL-38999 I specifications and RoHS compliance.