The MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With an impressive operating temperature range of -65 °C to 200 °C, these connectors offer reliable performance in a wide range of conditions. Available in various shell sizes and insert arrangements, they come with M39029 rear release crimp contacts for secure connections. Housing options include high-strength aluminum with plating choices like cadmium and nickel, meeting RoHS compliance standards. Ideal for military and industrial applications, these connectors ensure durability and conductivity, with a mating life of 500 cycles. Whether for front wall mount, rear wall mount, or jam nut receptacles, the MIL-DTL-38999 Series I connectors are a trusted choice for demanding environments.