The MIL-DTL-38999 Series II connectors are designed for rugged environments, featuring up to 128 contacts in an insert and offering secure environmental sealing. With a wide operating temperature range of -65°C to 200°C, these connectors are suitable for harsh conditions. Available in various styles including wall mount, jam nut, and box mount receptacles, they provide versatility in installation. Constructed with aluminum shells and offering multiple plating options such as gold and electroless nickel, they ensure reliable conductivity. Compliant with military specification MIL-DTL-38999 II, these connectors are ideal for applications requiring durability and performance in challenging settings.