MIL-DTL-38999 Series I connectors are rugged and reliable, designed for harsh environments with up to 128 contacts in an insert. These environmentally sealed connectors have a wide operating temperature range from -65°C to 200°C, making them suitable for a variety of applications. Available in various shell sizes and insert arrangements, they feature front wall mount, rear wall mount, and jam nut receptacles, along with RFI grounding plugs. Constructed with high-strength aluminum shells, they offer multiple plating options, including RoHS certified finishes. Utilizing M39029 rear release crimp contacts, these connectors ensure secure and efficient connections. With a mating type of Bayonet and contact gender of Male, they are ideal for applications requiring durability and performance in demanding environments.