The MIL-DTL-38999 Series I connectors boast up to 128 contacts housed within an environmentally sealed insert, ensuring reliable performance in harsh conditions. With an operating temperature range spanning from -65°C to 200°C, these connectors are ideal for demanding applications. Available in various shell sizes and insert arrangements, they feature M39029 rear release crimp contacts for secure connections. The high strength aluminum shells come in a range of plating options, including cadmium-free finishes for RoHS compliance. Designed for wall mounting, the connectors offer versatility with front wall mount, rear wall mount, and jam nut receptacles, all with RFI grounding plugs. Perfect for military and industrial use, these connectors guarantee durability and conductivity, making them essential components in any rugged environment.