The MIL-DTL-38999 Series I connectors boast a rugged design suitable for harsh environments, featuring up to 128 contacts within an insert. With front and rear wall mount options, as well as jam nut receptacles, these connectors offer versatility for various applications. Operating efficiently in temperatures ranging from -65 °C to 200 °C, they are ideal for demanding conditions. Crafted from high-strength aluminum, the connectors come in nine shell sizes and 52 insert arrangements, accommodating M39029 rear release crimp contacts. Plating options include gold, electroless nickel, and cadmium-free finishes, ensuring reliable performance. Suitable for military and industrial use, the MIL-DTL-38999 I connectors guarantee durability and conductivity, meeting stringent environmental standards.