MIL-DTL-38999 Series I connectors offer reliable connectivity in harsh environments with up to 128 contacts housed in a secure insert. Featuring front and rear wall mount options, as well as jam nut receptacles, they ensure versatile installation. These connectors, compliant with military standard MIL-DTL-38999 I, boast a wide operating temperature range from -65 °C to 200 °C, making them suitable for various applications. Constructed with high-strength aluminum shells and available in different plating finishes, including RoHS-certified options, they guarantee durability and performance. Utilizing M39029 rear release crimp contacts, these connectors come in 52 insert arrangements, accommodating various contact sizes. With gold plating ensuring excellent conductivity, they offer a mating style of bayonet coupling for secure connections. The MIL-DTL-38999 I connectors, with a service rating of I and ingress protection, are ideal for demanding environments where reliability is paramount.