MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an insert for versatile connectivity. With a wide operating temperature range of -65°C to 200°C, these connectors are suitable for demanding applications. Available in various shell sizes and insert arrangements, they offer flexibility in design. Constructed with high-strength aluminum shells and offering multiple plating options, including RoHS-certified finishes, these connectors ensure durability and reliability. The series includes front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, catering to different installation needs. Utilizing M39029 rear release crimp contacts, they provide secure connections. With gold contact plating and a mating style of bayonet coupling, these connectors ensure efficient signal transmission. Suitable for military and industrial use, they meet MIL-DTL-38999 I specifications for performance and quality.