MIL-DTL-38999 Series I connectors offer robust connectivity solutions for harsh environments, featuring up to 128 contacts housed in a durable insert. With an impressive operating temperature range of -65 °C to 200 °C, these connectors provide reliable performance in extreme conditions. Available in various configurations including front and rear wall mount as well as jam nut receptacles, they are designed for versatility. Utilizing M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 8, these connectors ensure secure connections. Crafted from high strength aluminum, they come in multiple plating options such as cadmium and nickel, catering to diverse application needs. Meeting MIL-DTL-38999 I military specifications, these circular receptacles guarantee ruggedness and durability. Suitable for demanding environments, they are ideal for applications requiring high-performance connectivity.