MIL-DTL-38999 Series I connectors offer reliable connectivity with up to 128 contacts in an environmentally sealed insert. Designed for harsh environments, these connectors feature front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs. With a wide operating temperature range of -65°C to 200°C, they ensure performance in demanding conditions. Available in 9 shell sizes and 52 insert arrangements, these connectors use M39029 rear release crimp contacts for secure connections. Crafted from high-strength aluminum, they come in various plating options, including cadmium-free finishes for RoHS compliance. Suitable for military and industrial applications, these connectors guarantee durability and conductivity in rugged settings.