MIL-DTL-38999 Series II connectors offer robust performance with up to 128 contacts housed in an insert, ensuring reliable connectivity in harsh environments. Featuring a wide operating temperature range from -65 °C to 200 °C, these connectors are designed for demanding applications. Available in various mounting options such as front wall, rear wall, and jam nut, they provide versatility in installation. The connectors come in 9 shell sizes and 52 insert arrangements, accommodating different contact sizes and types. Constructed with aluminum shells and plated with options including gold and electroless nickel, they offer excellent durability and conductivity. With MIL-DTL-38999 II certification, these circular connectors guarantee compliance with stringent military specifications for quality and performance.