MIL-DTL-38999 Series II connectors are designed for demanding environments, offering up to 128 contacts within a secure insert. With a wide operating temperature range of -65 °C to 200 °C, these connectors are ideal for harsh conditions. Available in various mount types, including front and rear wall mount, jam nut, and box mount receptacles, they provide versatility in installation. Featuring aluminum shells with multiple plating options, such as electroless nickel and cadmium finishes, they ensure reliable performance. Compliant with military specification MIL-DTL-38999 II, these circular connectors guarantee durability and quality, making them suitable for a wide range of applications in aerospace, defense, and industrial sectors.