MIL-DTL-38999 Series I connectors feature up to 128 contacts in an environmentally sealed insert, with a wide operating temperature range from -65°C to 200°C. Available in various shell sizes and insert arrangements, they offer versatility for different applications. These connectors, designed for harsh environments, include front and rear wall mount options, as well as jam nut receptacles and RFI grounding plugs. Utilizing M39029 rear release crimp contacts, they ensure secure connections in sizes 22D, 22M, 22, 20, 16, and 8. The high-strength aluminum shells come in multiple plating options, such as light iridescent yellow cadmium, olive drab cadmium, electroless nickel, and black anodized aluminum, with RoHS certified cadmium-free finishes available. Perfect for military and industrial use, these straight plug connectors with gold contact plating offer reliable performance even in demanding conditions.