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. Available in 9 shell sizes and 52 insert arrangements, these connectors utilize M39029 rear release crimp contacts for secure connections. With a wide operating temperature range of -65 °C to 200 °C, they are suitable for diverse applications. The connectors come in high-strength aluminum shells with various plating options, including cadmium-free finishes for RoHS compliance. Perfect for military and industrial use, these connectors ensure reliable performance in demanding conditions.