The MIL-DTL-38999 Series I connectors boast up to 128 contacts within a robust insert, offering reliable connectivity in harsh environments. With an impressive operating temperature range of -65°C to 200°C, these connectors are suitable for diverse applications. Featuring front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, they provide versatility in installation. Available in 9 shell sizes and 52 insert arrangements, they utilize M39029 rear release crimp contacts for secure connections. Crafted from high-strength aluminum, these connectors come with various plating options, including cadmium-free finishes for RoHS compliance. Their durable construction, gold contact plating, and environment-resistant design make them essential components for military and industrial applications.