The MIL-DTL-38999 Series II connectors, designed for harsh environments, offer reliable performance with up to 128 contacts in an insert. Featuring various mounting options like front and rear wall mounts, jam nuts, and box mounts, they ensure secure connectivity. These connectors, with an operating temperature range of -65 °C to 200 °C, are environmentally sealed for protection. Available in aluminum shells with different plating options, including cadmium-free finishes, they meet stringent military specifications. With gold-plated removable crimp contacts and bayonet coupling, they guarantee efficient signal transmission. Suitable for demanding applications, these connectors are durable, with a service life of 500 cycles. Their conductivity and ingress protection make them ideal for use in challenging environments.