The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts and environmental sealing for reliable performance. With an operating temperature range of -65 °C to 200 °C, they are suitable for a wide range of applications. Available in various mounting styles including front and rear wall mount, jam nut, and box mount receptacles, these connectors offer flexibility in installation. Constructed with aluminum shells and offering multiple plating options, they ensure durability and corrosion resistance. The use of M39029 rear release crimp contacts in various sizes guarantees secure connections. With RoHS compliant finishes available, these connectors meet stringent environmental standards. Perfect for military and industrial use, they provide a high level of conductivity and ingress protection, making them ideal for demanding environments.