The MIL-DTL-38999 Series II connectors feature up to 128 contacts in an insert, designed for harsh environments with an operating temperature range of -65°C to 200°C. Available in various receptacle styles including front and rear wall mount, jam nut, and box mount, they offer versatility in connectivity solutions. With options for straight, RFI grounding, and 90-degree cable clamp plugs, these connectors are suitable for a wide range of applications. Utilizing M39029 rear-release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 12, they ensure reliable and secure connections. Constructed with aluminum shells and offering plating choices like electroless nickel, these connectors meet stringent performance standards. RoHS compliant options are available, making them environmentally friendly choices for demanding military and industrial settings.