MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts housed in a rugged insert. With environmental sealing and a wide operating temperature range from -65 °C to 200 °C, they ensure reliable performance in demanding conditions. Available in various mounting styles including front and rear wall mount, jam nut, and box mount receptacles, these connectors offer versatility for different applications. Designed for military specifications, they meet stringent standards for durability and performance. Crafted from aluminum with multiple plating options, they provide excellent corrosion resistance. Utilizing M39029 rear release crimp contacts, they offer secure connections in sizes 22D, 22M, 22, 20, 16, and 12. With a straight plug design and EMI/RFI shielding, they ensure efficient signal transmission and protection against electromagnetic interference. RoHS compliant finishes provide environmental sustainability. Ideal for use in aerospace, defense, and industrial applications, these connectors are essential for mission-critical operations.