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 wall mount and jam nut receptacles, they offer RFI grounding and come in 9 shell sizes with 52 insert arrangements. Utilizing M39029 rear release crimp contacts, they ensure secure connections in sizes 22D, 22M, 22, 20, 16, and 8 (coax and twinax). Constructed with high-strength aluminum shells, these connectors come in various plating options, including cadmium-free finishes. Meeting MIL-DTL-38999 I standards, they guarantee reliable performance in demanding applications.