MIL-DTL-38999 Series II connectors feature up to 128 contacts in an insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in various configurations including front/rear wall mount, jam nut, and box mount receptacles, they offer versatility for different applications. The connectors come in aluminum shells with options for plating, such as cadmium-free finishes. With M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 12, they ensure secure and reliable connections. Meeting military specification MIL-DTL-38999 II, these connectors provide excellent EMI/RFI shielding and are suitable for demanding environments.