MIL-DTL-38999 Series I connectors offer robust performance with up to 128 contacts in a sealed insert, ideal for harsh environments. Featuring various mounting options and RFI grounding plugs, they meet stringent military specifications for reliability. With a wide range of shell sizes and insert arrangements, these connectors use durable aluminum shells with versatile plating options. Gold-plated removable crimp contacts ensure secure connections, even in extreme temperatures ranging from -65 °C to 200 °C. Designed for 500 mating cycles, they provide long-lasting conductivity and environmental resistance, making them essential for demanding applications.