MIL-DTL-38999 Series II connectors offer high-performance connectivity with up to 128 contacts, designed for harsh environments. Featuring a rugged aluminum shell and various plating options including RoHS compliant finishes, they ensure durability and reliability. With a wide operating temperature range from -65 °C to 200 °C, these connectors are suitable for diverse applications. Available in 9 shell sizes and 52 insert arrangements, they accommodate a range of contact sizes for optimal customization. The bayonet coupling mechanism and front/rear wall mount options provide secure and efficient mating. Utilizing M39029 rear release crimp contacts, these connectors offer easy installation and maintenance. Ideal for military, aerospace, and industrial use, the MIL-DTL-38999 Series II connectors meet stringent performance standards for environmental resistance and conductivity, making them a dependable choice for mission-critical systems.