MIL-DTL-38999 Series II connectors feature up to 128 contacts in an insert, offering robust environmental sealing and wide temperature range from -65 °C to 200 °C. Engineered for harsh environments, these connectors come in various mounting options such as front wall, rear wall, jam nut, rear box, and front box mount receptacles. Available in aluminum shells with plating options including cadmium-free finishes, they ensure reliable performance. Utilizing M39029 rear release crimp contacts, these connectors are designed for durability, with a mating type of bayonet coupling. Suitable for military and industrial applications, they meet stringent standards for conductivity and ingress protection. The MIL-DTL-38999 Series II connectors are the ideal choice for demanding environments requiring secure and efficient electrical connections.