MIL-DTL-38999 Series II connectors offer reliable performance in harsh environments, featuring up to 128 contacts within a sealed insert. With an operating temperature range from -65°C to 200°C, these connectors are designed for durability. Available in various mounting styles such as front wall, rear wall, jam nut, and box mount, they cater to diverse application needs. The connectors come in aluminum shells with options for plating, including cadmium-free finishes for RoHS compliance. Utilizing M39029 rear release crimp contacts, they ensure secure connections. Meeting military specification MIL-DTL-38999 II, these circular receptacles are ideal for demanding electrical setups, providing 18 gold-plated contacts in a size 20 arrangement. With a mating type of bayonet and a service rating of I, they guarantee high performance and conductivity. Suitable for wall mounting applications, these connectors are built for long-lasting service in rugged conditions.