MIL-DTL-38999 Series I connectors are rugged and reliable, featuring up to 128 contacts in an environmentally sealed insert. Designed for harsh environments, these connectors can operate in temperatures ranging from -65 °C to 200 °C. Available in various configurations including front and rear wall mount and jam nut receptacles, they ensure secure connections. The connectors meet military specification MIL-DTL-38999 I and offer high strength aluminum shells with multiple plating options, including RoHS certified finishes. With M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 8, they provide versatility for different applications. Suitable for demanding military and industrial settings, these connectors guarantee longevity with a contact mating life of 500 cycles.