MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With a wide operating temperature range of -65 °C to 200 °C, they offer reliable performance in extreme conditions. Available in various shell sizes and insert arrangements, these connectors come in high-strength aluminum shells with options for different plating finishes, including RoHS-certified cadmium-free coatings. Offering front and rear wall mount, as well as jam nut receptacles, they ensure secure connections in military and industrial applications. The use of M39029 rear release crimp contacts guarantees easy installation and maintenance. Suitable for both coaxial and twinaxial cables, these connectors provide reliable conductivity and environmental sealing. With bayonet coupling and removable crimp contacts, they meet stringent MIL-DTL-38999 I specifications for durability and performance, making them ideal for use in demanding environments.