MIL-DTL-38999 Series I connectors offer rugged performance with up to 128 contacts in an insert, ideal for harsh environments. Featuring various receptacles and grounding plugs, they are built for durability. With a wide operating temperature range of -65 °C to 200 °C, these connectors ensure reliable performance in extreme conditions. Available in 9 shell sizes and 52 insert arrangements, they use M39029 rear release crimp contacts for secure connections. Constructed with high strength aluminum shells and offering multiple plating options, including RoHS certified finishes, they meet stringent military specifications for quality and reliability.