MIL-DTL-38999 Series I connectors offer robust connectivity with up to 128 contacts in an environmentally sealed insert. Designed for harsh environments, they boast an operating temperature range from -65°C to 200°C. Available in various mounting styles including front wall, rear wall, and jam nut receptacles, these connectors feature RFI grounding plugs for added versatility. With 52 insert arrangements and M39029 rear release crimp contacts, they ensure reliable performance in demanding applications. Crafted from high-strength aluminum with multiple plating options, including RoHS-certified finishes, these connectors guarantee durability and corrosion resistance. Suitable for military and industrial use, they provide secure and efficient electrical connections in the most challenging conditions.