MIL-DTL-38999 Series I connectors offer robust connectivity with up to 128 contacts in a sealed insert, designed for harsh environments. Featuring front and rear wall mount options, as well as jam nut receptacles, they ensure secure installations. Compliant with military specifications, these connectors operate reliably in temperatures ranging from -65 °C to 200 °C. Utilizing M39029 rear release crimp contacts, they guarantee efficient signal transmission in sizes 22D, 22M, 22, 20, 16, and 8, including coax and twinax variants. Constructed with high-strength aluminum shells and available in various plating options, such as electroless nickel, they provide durability and versatility. RoHS compliant finishes are also offered, meeting environmental standards. Perfect for applications requiring rugged and reliable connectivity, MIL-DTL-38999 Series I connectors are ideal for demanding environments.