Experience high-performance connectivity with our MIL-DTL-38999 Series II connectors, designed for rugged environments. Featuring up to 128 contacts in a secure insert, these connectors offer reliable functionality in extreme conditions, with an impressive operating temperature range from -65 °C to 200 °C. Available in various mounting options including front and rear wall mount, jam nut, and box mount receptacles, they cater to diverse installation needs. Crafted with precision, these connectors boast nine shell sizes and 52 insert arrangements, ensuring compatibility with a wide range of applications. Utilizing M39029 rear release crimp contacts, they guarantee secure and efficient connections. The aluminum shells are offered in multiple plating options, including cadmium-free finishes, meeting RoHS compliance standards. Trust in the durability and performance of our MIL-DTL-38999 Series II connectors for all your critical connectivity requirements.