MIL-DTL-38999 Series I connectors offer reliable connectivity in harsh environments, featuring up to 128 contacts in an insert. With environmental sealing and a wide operating temperature range from -65°C to 200°C, these connectors ensure durability in demanding conditions. Available in various configurations including front and rear wall mount, as well as jam nut receptacles, they meet the stringent requirements of military specification MIL-DTL-38999 I. Utilizing M39029 rear release crimp contacts, they guarantee secure connections in sizes 22D, 22M, 22, 20, 16, and 8, including coax and twinax options. Constructed with high-strength aluminum shells and offering multiple plating choices such as gold, electroless nickel, and cadmium-free finishes, these connectors provide versatility for diverse applications. With a mating type of bayonet, they ensure easy and efficient installation. Meeting stringent quality standards, these connectors are ideal for use in environments where reliability is paramount.