The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With environmental sealing and an operating temperature range of -65 °C to 200 °C, they ensure reliable performance. Available in various styles including front and rear wall mount, jam nut, and box mount receptacles, these connectors offer versatility. Built to MIL-DTL-38999 II military specification standards, they guarantee durability and quality. Contact options include rear release crimp contacts in different sizes, accommodating various applications. The aluminum shells are offered with a range of plating options, from cadmium to electroless nickel, meeting different requirements. RoHS compliant finishes are also available, ensuring environmental responsibility. Suitable for demanding environments, these connectors are ideal for military, aerospace, and industrial applications.