MIL-DTL-38999 Series II connectors are designed for rugged environments, featuring up to 128 contacts in an insert. With environmental sealing and a wide operating temperature range of -65 °C to 200 °C, these connectors ensure reliable performance. Available in various configurations including front and rear wall mount, jam nut, and box mount receptacles, they offer versatility in installation. The aluminum shells come with different plating options such as cadmium and nickel, meeting diverse application needs. Utilizing M39029 rear release crimp contacts, these connectors guarantee secure connections. Suitable for military and industrial applications, they are built to withstand harsh conditions with a service rating of M and environmental resistance. With RoHS compliant options, they provide a reliable and durable solution for demanding connectivity requirements.