MIL-DTL-38999 Series II connectors are designed for demanding environments, with up to 128 contacts housed in an environmentally sealed insert. Operating in temperatures ranging from -65 °C to 200 °C, these connectors offer reliable performance in extreme conditions. Available in various mounting styles, including front and rear wall mount, jam nut, and box mount receptacles, they provide versatility for different applications. Featuring durable aluminum shells with options for RoHS compliant finishes, such as electroless nickel plating, they ensure long-lasting functionality. Utilizing M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 12, these connectors guarantee secure and efficient connections. With a mating type of bayonet and a contact gender of male, they are suitable for a wide range of industrial and military uses.