The MIL-DTL-38999 Series I connectors offer robust connectivity solutions for harsh environments, with up to 128 contacts housed in environmentally sealed inserts. Operating smoothly in temperatures ranging from -65 °C to 200 °C, these connectors come in various mounting options including front and rear wall mounts, as well as jam nut receptacles. Featuring RFI grounding plugs, they ensure reliable performance in demanding conditions. With 9 shell sizes and 52 insert arrangements available, they accommodate M39029 rear release crimp contacts in different sizes for versatile applications. Crafted from high-strength aluminum, these connectors come with a choice of plating options such as cadmium-free finishes, electroless nickel, and black anodized aluminum, meeting diverse industrial requirements. Compliant with MIL-DTL-38999 I specifications, they guarantee quality and durability in military and aerospace applications.