MIL-DTL-38999 Series II connectors feature up to 128 contacts in an environmentally sealed insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. These connectors come in various configurations including front wall mount, rear wall mount, jam nut, rear box mount, and front box mount receptacles. Available in 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, they offer plating options like light iridescent yellow cadmium, olive drab cadmium, electroless nickel, and black anodized aluminum, with RoHS certified cadmium-free finishes available. The MS27508 connectors, meeting MIL-DTL-38999 II specifications, ensure reliable electrical connections in demanding military and industrial applications, with a service class rating of E for environment-resistant box and bulkhead mounting receptacles.
