MIL-DTL-38999 Series II connectors, designed for harsh environments, feature up to 128 contacts in an insert and are environmentally sealed for reliable performance. With an operating temperature range from -65 °C to 200 °C, these connectors offer versatility in various applications. Available in different mounting options such as front and rear wall mount, jam nut, and box mount receptacles, they cater to diverse installation needs. The connectors, compliant with military specification MIL-DTL-38999 II, come in aluminum shells with multiple plating options including cadmium-free finishes. Utilizing M39029 rear release crimp contacts, they ensure secure connections with sizes ranging from 22D to 12. With a focus on durability and functionality, these connectors are ideal for demanding environments requiring high-performance electrical connections.