MIL-DTL-38999 Series I connectors offer robust connectivity with up to 128 contacts enclosed in a sealed insert, ideal for harsh environments. Featuring front and rear wall mount options, as well as jam nut receptacles, these connectors meet stringent military specifications. With a wide operating temperature range from -65 °C to 200 °C, they ensure reliable performance in extreme conditions. Crafted from high-strength aluminum, they come in various plating options including cadmium-free finishes. Utilizing M39029 rear release crimp contacts, in sizes from 22D to 8, they guarantee secure and efficient connections. Suitable for box mounting, these connectors, with gold contact plating, offer durability and conductivity for diverse applications. RoHS compliant options are available, making them environmentally friendly choices for critical operations.