The MIL-DTL-38999 Series I connectors boast a robust design, featuring up to 128 contacts housed within an environmentally sealed insert. With an impressive operating temperature range from -65 °C to 200 °C, these connectors are ideal for harsh environments. Available in various configurations including front wall mount, rear wall mount, and jam nut receptacles, they offer versatility for different applications. Utilizing M39029 rear release crimp contacts, they ensure secure connections in sizes 22D, 22M, 22, 20, 16, and 8. Crafted with high-strength aluminum shells in 9 different sizes, and offering 52 insert arrangements, they provide a reliable solution for demanding scenarios. Plating options such as light iridescent yellow cadmium, olive drab cadmium, electroless nickel, and black anodized aluminum cater to diverse needs. With RoHS certified cadmium-free finishes available, these connectors prioritize environmental compliance. The MS27496 connectors, part of the 38999 Series I, are designed for military specifications, guaranteeing performance and durability in critical operations.