MIL-DTL-38999 Series II connectors with up to 128 contacts in an insert offer reliable connectivity in harsh environments. Featuring a wide operating temperature range of -65 °C to 200 °C, these connectors are designed for rugged applications. Available in various mounting styles, including front and rear wall mount, jam nut, and box mount receptacles, they provide versatility for different installation needs. With options for straight, RFI grounding, and standard plugs, along with multiple shell sizes and insert arrangements, these connectors offer flexibility in design. Made of aluminum with various plating options, including RoHS-certified finishes, they ensure durability and environmental resistance. Utilizing M39029 rear release crimp contacts, these connectors guarantee secure connections. Suitable for military and industrial use, they are ideal for applications requiring high-performance connectivity in demanding conditions.