MIL-DTL-38999 Series I connectors feature up to 128 contacts in an insert, offering environmental sealing and a wide operating temperature range from -65°C to 200°C. With options for front wall mount, rear wall mount, and jam nut receptacles, this harsh environment connector family is versatile. Available in 9 shell sizes and 52 insert arrangements, they use M39029 rear release crimp contacts in various sizes. Constructed with high-strength aluminum shells, these connectors come with a range of plating options, including cadmium-free finishes. Meeting MIL-DTL-38999 I military specifications, they ensure reliable performance in demanding applications.