MIL-DTL-38999 Series I connectors offer robust connectivity with up to 128 contacts in an environmentally sealed insert. Designed for harsh environments, these connectors feature front and rear wall mount options, as well as jam nut receptacles and RFI grounding plugs. With 52 insert arrangements and M39029 rear release crimp contacts, they provide versatility for various applications. The high strength aluminum shells, available in different plating options, ensure durability and reliable performance. Operating between -65 °C and 200 °C, these connectors are suitable for a wide range of environments. With RoHS certified cadmium-free finishes, they meet stringent environmental standards. Ideal for military and industrial use, these connectors guarantee secure and efficient electrical connections.