The MIL-DTL-38999 Series I connectors offer high-performance connectivity with up to 128 contacts in a rugged insert. Designed for harsh environments, they 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, these connectors are suitable for demanding applications. 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, they come in various plating options including cadmium and nickel for durability. RoHS compliant finishes are also available. Perfect for military and industrial use, these connectors ensure reliable performance in challenging conditions.