MIL-DTL-38999 Series II connectors are designed for harsh environments, offering up to 128 contacts in an insert for versatile connectivity. With environmental sealing and a wide operating temperature range from -65 °C to 200 °C, these connectors ensure reliable performance in demanding conditions. Featuring various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, they cater to diverse installation needs. Available in aluminum shells with multiple plating options including cadmium-free finishes, these connectors comply with RoHS standards. Ideal for military and industrial applications, they guarantee durability and longevity with their rugged construction and high mating cycles. Suitable for use in environments requiring superior protection, these connectors are essential for maintaining secure and efficient communication systems.