MIL-DTL-38999 Series I connectors are engineered for rugged environments, boasting up to 128 contacts within their sealed inserts. With an impressive operational range of -65°C to 200°C, these connectors ensure reliable performance in extreme conditions. Featuring front and rear wall mount options, as well as jam nut receptacles, they offer versatile connectivity solutions. The connector family, compliant with military specification MIL-DTL-38999 I, comes in 9 shell sizes and 52 insert arrangements, accommodating various applications. Utilizing M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 8, including coax and twinax variants, they facilitate efficient signal transmission. Encased in high-strength aluminum shells with plating options like electroless nickel and cadmium olive drab, these connectors prioritize durability. Their RoHS certified finishes further underscore their commitment to environmental responsibility, making them a dependable choice for demanding settings.