MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With front and rear wall mount options, as well as jam nut and box mount receptacles, they offer versatility in installation. These connectors, compliant with military specification MIL-DTL-38999 II, are made of durable aluminum with various plating options available. Operating between -65 °C and 200 °C, they are suitable for a wide range of applications. Utilizing M39029 rear release crimp contacts, they ensure secure connections, with gold plating for optimal conductivity. RoHS compliant finishes are also available for environmentally conscious users. With a service class rating of M and ingress protection, these connectors are reliable for demanding environments.