MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert and offering a wide range of receptacle and plug options. These connectors are front wall mount, rear wall mount, jam nut, rear box mount, and front box mount (long grommet) receptacles. Available in aluminum shells with various plating options, they ensure durability and reliability. With an operating temperature range of -65 °C to 200 °C, they are suitable for a wide range of applications. The connectors utilize M39029 rear release crimp contacts and are RoHS compliant with cadmium-free finishes available. Perfect for military and industrial use, they offer EMI/RFI shielding and are environmentally sealed for enhanced protection.