MIL-DTL-38999 Series II connectors boast up to 128 contacts in a single insert, offering robust 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 mounts, jam nuts, and box mounts, with options for straight, RFI grounding, and standard plugs with a 90-degree cable clamp. Featuring 9 shell sizes and 52 insert arrangements, these connectors use M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 12. Constructed from aluminum, they come with plating choices such as light iridescent yellow cadmium, olive drab cadmium, electroless nickel, and black anodized aluminum, with some options being RoHS certified. Suitable for military applications, these connectors ensure reliable performance with a service rating of M and a mating life of 500 cycles, making them ideal for demanding environments requiring secure and durable electrical connections.
