MIL-DTL-38999 Series II connectors are designed for harsh environments, offering up to 128 contacts in an insert. These connectors are front wall mount, rear wall mount, jam nut, rear box mount, and front box mount receptacles, ensuring versatile installation options. Featuring a straight, RFI grounding, or standard plug with 90-degree cable clamp configurations, they accommodate various connectivity needs. With a wide operating temperature range from -65°C to 200°C, these connectors are suitable for demanding applications. Made of aluminum with multiple plating options, including cadmium-free finishes, they meet RoHS compliance standards. Utilizing M39029 rear release crimp contacts, these connectors ensure reliable performance with 500 mating cycles. Suitable for military and industrial use, they provide secure and environmentally sealed connections.