MIL-DTL-38999 Series I connectors feature up to 128 contacts in an environmentally sealed insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in various shell sizes and insert arrangements, these connectors offer flexibility for different applications. The high-strength aluminum shells come in a range of plating options, including cadmium-free finishes, ensuring durability and reliability. With options for front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, they provide versatile connectivity solutions. Utilizing M39029 rear release crimp contacts, they offer secure connections in sizes 22D, 22M, 22, 20, 16, and 8 (coax and twinax). Meeting MIL-DTL-38999 I military specifications, these connectors are ideal for demanding environments where performance is critical.