The MIL-DTL-38999 Series II connectors are designed for harsh environments, with up to 128 contacts housed in a sealed insert. Operating reliably in temperatures ranging from -65 °C to 200 °C, they offer durability and performance. Available in various configurations including front and rear wall mounts, jam nuts, and box mounts, these connectors feature a Bayonet coupling for secure connections. With a range of plating options such as gold, electroless nickel, and cadmium finishes, they ensure conductivity and corrosion resistance. Utilizing removable crimp contacts, they guarantee a service life of 500 cycles. RoHS compliant options are also available, making them suitable for a wide range of applications requiring reliability in challenging environments.