MIL-DTL-38999 Series II connectors boast high performance with up to 128 contacts in a sealed insert, ideal for harsh environments. Operating between -65 °C and 200 °C, these connectors include various mounting options like front and rear wall mount, jam nut, and box mount receptacles. Available in 9 shell sizes and 52 insert arrangements, they use M39029 rear release crimp contacts. With aluminum shells and plating options including cadmium-free finishes, they ensure durability. Featuring bayonet coupling, EMI shielding, and gold contact plating, they guarantee reliable connectivity in military and industrial applications.