MIL-DTL-38999 Series I connectors offer robust connectivity solutions with up to 128 contacts, ideal for harsh environments. Featuring various mounting options like front wall, rear wall, and jam nut receptacles, they ensure secure installations. These connectors, meeting military specification MIL-DTL-38999 I, are crafted from high-strength aluminum and plated with options such as electroless nickel for durability. With a wide operating temperature range from -65 °C to 200 °C, they guarantee reliable performance in extreme conditions. Using M39029 rear release crimp contacts, they provide efficient signal transmission. Available in 9 shell sizes and 52 insert arrangements, they offer versatility in design. Their RoHS-certified finishes cater to environmental regulations, making them a sustainable choice for various applications requiring rugged connectivity.