MIL-DTL-38999 Series I connectors offer robust connectivity with up to 128 contacts in an insert, designed for harsh environments. Featuring front and rear wall mount options, as well as jam nut receptacles, these connectors ensure secure installations. Built to withstand extreme conditions, they have an operating temperature range from -65 °C to 200 °C. With various plating choices, including RoHS compliant options, and utilizing M39029 rear release crimp contacts, these connectors guarantee reliable performance. The high strength aluminum shells provide durability, making them ideal for military and aerospace applications.