MIL-DTL-38999 Series II connectors, designed for rugged environments, offer up to 128 contacts in an insert with exceptional durability and sealing capabilities. Operating between -65°C and 200°C, these connectors come in various configurations including front and rear wall mount, jam nut, and box mount receptacles. Featuring 9 shell sizes and 52 insert arrangements, they utilize M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 12. Constructed with aluminum shells and available in different plating options such as electroless nickel and cadmium finishes, these connectors ensure reliable performance in harsh conditions. With a mating type of Bayonet and a contact style of Pin, they offer a secure and conductive connection. Perfect for military and industrial applications, these MIL-DTL-38999 II connectors are engineered for longevity and environmental resilience.