MIL-DTL-38999 Series II connectors feature up to 128 contacts in an insert, offering environmental sealing and a wide operating temperature range of -65 °C to 200 °C. These harsh environment connectors come in various configurations, including front and rear wall mount, jam nut, and box mount receptacles. Available in 9 shell sizes and 52 insert arrangements, they use M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 12. Constructed with aluminum shells, they come in different plating options such as light iridescent yellow cadmium, olive drab cadmium, electroless nickel, and black anodized aluminum, with RoHS certified cadmium-free finishes. The MS27499 connectors, part of the 38999 Series II, ensure reliable performance in demanding environments with their gold-plated contacts, durable construction, and bayonet coupling mechanism. Suitable for a wide range of applications, these connectors provide secure and efficient electrical connections in military, aerospace, and industrial settings.
