MIL-DTL-38999 Series I connectors offer reliable connectivity with up to 128 contacts for various applications. Designed for harsh environments, these connectors are environmentally sealed and can operate in temperatures ranging from -65 °C to 200 °C. Featuring front and rear wall mount options, as well as jam nut receptacles and RFI grounding plugs, they provide versatility in installation. With 52 insert arrangements and M39029 rear release crimp contacts in multiple sizes, including coax and twinax, they offer flexibility in design. Constructed with high-strength aluminum shells and available in various plating options, such as cadmium-free finishes, they ensure durability and performance. Meeting MIL-DTL-38999 I military specifications, these connectors are suitable for demanding applications that require secure and efficient electrical connections.