MIL-DTL-38999 Series I connectors feature up to 128 contacts in an environmentally sealed insert, ideal for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in various configurations including front and rear wall mount, as well as jam nut receptacles, these connectors ensure secure connections. Utilizing M39029 rear release crimp contacts in multiple sizes, they offer versatility in application. Constructed with high-strength aluminum shells and plated with options such as electroless nickel and cadmium finishes, they guarantee durability. RoHS compliant variants are also available. Suitable for military and industrial use, these connectors are designed for reliability with a service rating of I, making them essential for demanding applications.