MIL-DTL-38999 Series I connectors offer robust performance in harsh environments, featuring up to 128 contacts within a sealed insert. With an operating temperature range from -65°C to 200°C, these connectors are ideal for demanding applications. Available in various shell sizes and insert arrangements, they accommodate M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 8. The connector family includes front and rear wall mount as well as jam nut receptacles, with RFI grounding plugs for enhanced functionality. Constructed with high-strength aluminum shells, they come in a range of plating options such as electroless nickel and cadmium finishes. RoHS compliant variants are also available. Suitable for military and industrial use, these connectors ensure reliable connectivity in critical operations.