MIL-DTL-38999 Series II connectors feature up to 128 contacts in an environmentally sealed insert, designed for harsh operating conditions with a wide temperature range of -65 °C to 200 °C. Available in various receptacle styles, including front and rear wall mount, jam nut, and box mount options, these connectors offer versatility in installation. With 9 shell sizes and 52 insert arrangements, they accommodate M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 12. Constructed from aluminum with plating options such as electroless nickel and cadmium finishes, they meet stringent military specifications for durability. The straight plug configuration with EMI shielding and bayonet coupling ensures reliable performance in demanding environments, making them ideal for applications requiring secure electrical connections in aerospace, defense, and industrial settings.
