The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With a wide operating temperature range of -65 °C to 200 °C, these connectors are ideal for demanding applications. Available in various mounting options such as front wall mount, rear wall mount, and jam nut, they offer flexibility in installation. The connectors come in aluminum shells with options for plating including cadmium-free finishes. Utilizing M39029 rear release crimp contacts, they ensure reliable connectivity. Suitable for military and industrial use, these connectors are environmentally sealed, offering protection against dust, moisture, and other elements. With a range of shell sizes and insert arrangements, they provide versatility for different configurations. RoHS compliant options are also available, making them environmentally friendly choices. Trust in the MIL-DTL-38999 Series II connectors for secure and durable electrical connections in challenging environments.