MIL-DTL-38999 Series II connectors with up to 128 contacts offer robust environmental sealing and durability for harsh operating conditions. Designed for a wide range of applications, these connectors feature 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 utilize M39029 rear release crimp contacts for reliable connectivity. Crafted from aluminum with multiple plating options, including RoHS certified finishes, these connectors ensure high performance and longevity. With a wide operating temperature range of -65 °C to 200 °C, they are suitable for demanding environments. Ideal for military and aerospace applications, these connectors provide secure and efficient electrical connections, meeting stringent quality standards.