MIL-DTL-38999 Series I connectors feature up to 128 contacts within an insert, providing reliable connectivity in harsh environments. With an operating temperature range of -65 °C to 200 °C, these connectors are suitable for a wide range of 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 cadmium-free finishes, these connectors ensure durability and compliance with RoHS standards. The bayonet coupling mechanism and front, rear wall mount, and jam nut receptacles make installation easy and secure. Utilizing M39029 rear release crimp contacts, these connectors guarantee a reliable connection, with a mating life of 500 cycles. Suitable for military and industrial use, they provide excellent conductivity and ingress protection, making them ideal for demanding environments.