The MIL-DTL-38999 Series I connectors offer robust connectivity with up to 128 contacts, housed in environmentally sealed inserts. Designed for harsh environments, these connectors feature front wall mount, rear wall mount, and jam nut receptacles, along with RFI grounding plugs. Compliant with military specification MIL-DTL-38999 I, they ensure reliable performance in extreme conditions, with an operating temperature range from -65 °C to 200 °C. Available in 9 shell sizes and 52 insert arrangements, they utilize M39029 rear release crimp contacts for secure connections. Constructed with high-strength aluminum shells, they come with various plating options, including cadmium-free finishes for RoHS compliance. Suitable for demanding applications, these connectors guarantee durability and conductivity, making them ideal for military and industrial use.