MIL-DTL-38999 Series I connectors feature up to 128 contacts in an insert, providing reliable connectivity in harsh environments. With an operating temperature range of -65 °C to 200 °C, these connectors are built to withstand extreme conditions. Available in various shell sizes and insert arrangements, they offer flexibility for different applications. Constructed with high-strength aluminum shells and offering multiple plating options, including RoHS-certified finishes, these connectors ensure durability and compliance. Whether in front wall mount, rear wall mount, or jam nut receptacles, they guarantee secure connections. Utilizing M39029 rear release crimp contacts, these connectors are suitable for sizes 22D, 22M, 22, 20, 16, and 8, including coax and twinax contacts. With their bayonet coupling and environment-resistant design, MIL-DTL-38999 I connectors are ideal for military and industrial use.