The MIL-DTL-38999 Series II connectors offer high-performance connectivity with up to 128 contacts, designed for harsh environments. Featuring a wide operating temperature range of -65 °C to 200 °C, these connectors are ideal for demanding applications. Available in various configurations including front and rear wall mounts, jam nut, and box mounts, they provide versatility in installation. With options for straight, RFI grounding, and standard plugs, as well as multiple shell sizes and insert arrangements, these connectors offer flexibility in design. Utilizing M39029 rear release crimp contacts, they ensure reliable and secure connections. Constructed with aluminum shells and offering various plating options including cadmium-free finishes, they meet stringent military specifications for durability and performance. Suitable for use in aerospace, defense, and industrial applications, these connectors provide robust and reliable connectivity in challenging environments.