MIL-DTL-38999 Series I connectors feature up to 128 contacts in an environmentally sealed insert, ideal for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in various shell sizes and insert arrangements, these connectors offer front wall mount, rear wall mount, and jam nut receptacles with RFI grounding plugs. Constructed with high strength aluminum shells and a choice of plating options including cadmium-free finishes, they ensure durability and reliability. Utilizing M39029 rear release crimp contacts, these connectors are suitable for applications requiring secure electrical connections. The bayonet coupling design and back panel box mounting flange make them easy to install and maintain. With gold contact plating and a conductivity rating of conductive, they guarantee efficient signal transmission. Meeting MIL-DTL-38999 I military specifications, these connectors are a dependable solution for demanding environments.