MIL-DTL-38999 Series I connectors feature up to 128 contacts in an insert, providing robust connectivity in harsh environments. With options for front and rear wall mount as well as jam nut receptacles, they offer versatile installation. These circular connectors, compliant with military specification MIL-DTL-38999 I, are designed for durability, with a wide operating temperature range from -65°C to 200°C. Utilizing M39029 rear release crimp contacts, they ensure secure and reliable connections. Available in various shell sizes and insert arrangements, these connectors come in high-strength aluminum shells with plating options including electroless nickel and cadmium finishes. Their RoHS certified versions cater to environmental compliance needs, making them ideal for a range of applications requiring rugged and dependable connectivity.