MIL-DTL-38999 Series I connectors offer rugged performance with up to 128 contacts in an environmentally sealed insert. Operating in temperatures ranging from -65 °C to 200 °C, these connectors are ideal for harsh environments. Available in various shell sizes and insert arrangements, they feature front and rear wall mount options, as well as jam nut receptacles. Utilizing M39029 rear release crimp contacts, they ensure secure connections. With a choice of plating options including cadmium-free finishes, these connectors meet RoHS certification. Designed for military and industrial applications, they provide reliable connectivity in demanding conditions.