MIL-DTL-38999 Series II connectors boast high performance with up to 128 contacts, ensuring robust connectivity in demanding environments. Engineered for durability, these connectors feature environmentally sealed inserts and a wide operating temperature range from -65 °C to 200 °C. Available in various mounting styles including front and rear wall mount, jam nut, and box mount receptacles, they offer versatility for different applications. With options for straight, RFI grounding, and standard plugs, these connectors come in 9 shell sizes and 52 insert arrangements, accommodating diverse needs. Utilizing M39029 rear release crimp contacts, they guarantee secure and efficient connections. Constructed with aluminum shells and offering multiple plating options such as electroless nickel and cadmium finishes, they ensure reliable performance even in harsh conditions. Meeting MIL-DTL-38999 II standards, these connectors are ideal for military and aerospace applications where rugged and dependable connectivity is essential.