MIL-DTL-38999 Series I connectors offer robust connectivity solutions for harsh environments, with up to 128 contacts housed in an environmentally sealed insert. Operating reliably in temperatures ranging from -65 °C to 200 °C, these connectors come in various configurations including front wall mount, rear wall mount, and jam nut receptacles. Featuring M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 8, they ensure secure connections. Crafted from high strength aluminum with plating options such as cadmium and electroless nickel, they provide durability and versatility. RoHS compliant finishes are available, catering to diverse application needs. Suitable for military and industrial use, the MIL-DTL-38999 I connectors guarantee high performance with a mating life of 500 cycles and conductivity.