MIL-DTL-38999 Series II connectors feature up to 128 contacts in an environmentally sealed insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in various shell sizes and insert arrangements, they offer versatility for different applications. These connectors come in aluminum shells with options for plating finishes, including RoHS certified cadmium-free coatings. The connectors, compliant with military specification MIL-DTL-38999 II, are ideal for military and aerospace use, ensuring reliable performance with gold-plated removable crimp contacts. With a bayonet coupling and EMI/RFI shielding, they provide secure and interference-free connectivity, making them suitable for demanding environments.