The MIL-DTL-38999 Series II connectors boast exceptional durability and performance in harsh environments, with up to 128 contacts housed in a rugged insert. These circular receptacles feature various mounting options, including jam nut and box mounts, and come in a range of shell sizes and contact arrangements. Engineered for reliability, they utilize gold-plated, removable crimp contacts and offer a maximum operating temperature of 200°C. With aluminum shells and RoHS-compliant finishes available, these connectors ensure secure and efficient electrical connections in military and industrial applications.