MIL-DTL-38999 Series I connectors feature up to 128 contacts within 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, these connectors offer versatility for different applications. Constructed with high-strength aluminum shells and offered in a range of plating options, including RoHS compliant finishes, they ensure reliable performance. Suitable for military and industrial use, these connectors come in different mounting styles, such as front and rear wall mount, and jam nut receptacles, with RFI grounding plugs. Utilizing M39029 rear release crimp contacts, they guarantee secure connections. With a focus on durability and conductivity, these connectors are ideal for demanding environments that require high-performance electrical connections.