MIL-DTL-38999 Series II connectors are designed for rugged environments, offering up to 128 contacts in a secure, environmentally sealed insert. With a wide operating temperature range of -65 °C to 200 °C, these connectors ensure reliable performance in extreme conditions. Available in various mounting options like front and rear wall mount, jam nut, and box mount receptacles, they provide versatility for different applications. Featuring durable aluminum shells with plating options including cadmium-free finishes, they meet stringent military specifications for quality and reliability. Utilizing M39029 rear release crimp contacts, these connectors guarantee secure connections in sizes 22D, 22M, 22, 20, 16, and 12. Their bayonet coupling and removable crimp contacts make installation and maintenance easy, while their gold contact plating ensures excellent conductivity. Suitable for environments requiring resistance to harsh elements, these connectors are ideal for aerospace, defense, and industrial applications where dependable connectivity is essential.