MIL-DTL-38999 Series II connectors are vital components for demanding environments, offering exceptional performance and durability. With up to 128 contacts housed in a rugged insert, these connectors provide secure connectivity in challenging conditions. Featuring environmentally sealed construction and an impressive operating temperature range from -65 °C to 200 °C, they ensure reliability in extreme heat, cold, and moisture. The thin-walled, restricted length design includes various mounting options such as front and rear wall mount, jam nut, and box mount receptacles. Available in 9 shell sizes and 52 insert arrangements, they accommodate diverse connectivity needs. Utilizing M39029 rear release crimp contacts, these connectors guarantee efficient and secure connections. Crafted from aluminum with a choice of plating options including cadmium-free finishes, they meet stringent quality standards. Whether for military, aerospace, or industrial applications, the MIL-DTL-38999 II connectors deliver exceptional performance you can rely on.