MIL-DTL-38999 Series I connectors offer high-performance connectivity with up to 128 contacts in an environmentally sealed insert. Designed for harsh environments, they boast a wide operating temperature range from -65 °C to 200 °C. Featuring front wall mount, rear wall mount, and jam nut receptacles, these connectors ensure secure installations. With 52 insert arrangements and M39029 rear release crimp contacts, they provide versatility for various applications. Constructed with high strength aluminum shells and available in different plating options, including RoHS compliant finishes, these connectors guarantee durability and reliability. Perfect for military and industrial use, they meet stringent MIL-DTL-38999 I standards, making them ideal for demanding environments where performance is paramount.