MIL-DTL-38999 Series II connectors offer robust performance with up to 128 contacts housed in a durable insert, providing reliable connectivity in harsh environments. Featuring a wide operating temperature range from -65 °C to 200 °C, these connectors are ideal for demanding applications. Available in various configurations such as front wall mount, rear wall mount, and jam nut receptacles, they offer versatility for different mounting needs. The connectors come in aluminum shells with options for plating including cadmium and nickel, ensuring corrosion resistance. Utilizing M39029 rear release crimp contacts, they ensure secure and efficient connections. RoHS compliant finishes are also available, making them environmentally friendly. Suitable for military and industrial use, these connectors are designed for high performance and longevity.