MIL-DTL-38999 Series I connectors are designed for rugged environments, featuring up to 128 contacts sealed within their inserts. With an impressive operating temperature range of -65 °C to 200 °C, these connectors offer reliability in extreme conditions. Available in various shell sizes and insert arrangements, they accommodate M39029 rear release crimp contacts, including coaxial and twinaxial options. The high-strength aluminum shells come in multiple plating choices, from cadmium finishes to RoHS-certified alternatives, ensuring versatility and compliance. Whether for front or rear wall mounting or jam nut receptacles, these connectors, with their bayonet coupling mechanism, provide secure and efficient connectivity. Meeting MIL-DTL-38999 I specifications, they guarantee performance in demanding military and industrial applications.