MIL-DTL-38999 Series II connectors feature up to 128 contacts in an environmentally sealed insert, suitable for harsh operating conditions with a temperature range of -65 °C to 200 °C. Available in various mount types including front and rear wall mount, jam nut, and box mount receptacles, they provide versatile connectivity options. The connectors, designed for military applications, offer reliable performance with M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 12. Constructed with aluminum shells and offering multiple plating options, including RoHS compliant finishes, they ensure durability and compatibility. Suitable for use in diverse environments, these connectors are essential for mission-critical operations.