MIL-DTL-38999 Series I connectors offer robust connectivity solutions with up to 128 contacts in an insert. Designed for harsh environments, these connectors feature front wall mount, rear wall mount, and jam nut receptacles, along with RFI grounding plugs. With a wide operating temperature range of -65 °C to 200 °C, they ensure reliable performance in extreme conditions. Available in 9 shell sizes and 52 insert arrangements, they utilize M39029 rear release crimp contacts for secure connections. Constructed with high-strength aluminum shells and various plating options including cadmium-free finishes, these connectors meet stringent military specifications for durability and performance. Perfect for applications requiring rugged and reliable electrical connections.