MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 environmentally sealed contacts with an operating temperature range of -65 °C to 200 °C. Available in various mount types such as front wall mount, rear wall mount, and jam nut receptacles, these connectors offer versatility in installation. With 52 insert arrangements and M39029 rear release crimp contacts, they ensure reliable connectivity in aerospace and defense applications. The high strength aluminum shells come in different plating options, including cadmium-free finishes, meeting RoHS compliance. Perfect for back panel wall mounting, these connectors guarantee secure and durable electrical connections in demanding conditions.