MIL-DTL-38999 Series II connectors boast up to 128 contacts in an insert, ensuring robust connectivity in harsh environments. Featuring various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, these connectors offer versatility in installation. With a wide operating temperature range from -65°C to 200°C, they are suitable for diverse applications. Built to military specifications, these circular plugs with gold-plated contacts provide reliable performance, with a service rating of M for environmental resilience. The aluminum shells come in multiple plating options, including RoHS-certified finishes, catering to different industry needs. Ideal for demanding settings, these connectors guarantee secure and efficient electrical connections, with a service life of 500 cycles.