The MIL-DTL-38999 Series II connectors offer robust connectivity with up to 128 contacts in a secure insert. Designed for harsh environments, they are environmentally sealed and can withstand temperatures ranging from -65°C to 200°C. Available in various mounting options including front and rear wall mount, jam nut, and box mount receptacles, these connectors ensure versatile installation. Featuring aluminum shells with options for plating finishes such as gold, electroless nickel, and cadmium-free coatings, they guarantee reliable performance. Utilizing M39029 rear release crimp contacts, these connectors provide efficient connectivity in military and industrial applications. With a mating type of bayonet coupling and a contact gender of female, they offer optimal functionality for diverse electronic systems.