MIL-DTL-38999 Series I 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 versatile mounting options including front wall mount, rear wall mount, and jam nut receptacles. Utilizing M39029 rear release crimp contacts, these connectors ensure reliable connections with sizes ranging from 22D to 8. Crafted from high-strength aluminum, they come in multiple plating options such as cadmium-free finishes for RoHS compliance. Suitable for military and industrial applications, these connectors guarantee durability and performance with their conductive contact style and environment-resistant construction.