MIL-DTL-38999 Series I connectors offer robust connectivity solutions for harsh environments. With up to 128 contacts housed in a sealed insert, they ensure reliable performance in extreme conditions, operating smoothly between -65 °C and 200 °C. Available in various mounting options including front wall mount, rear wall mount, and jam nut receptacles, these connectors feature RFI grounding plugs for enhanced signal integrity. Compliant with military specification MIL-DTL-38999 I, they come in nine shell sizes and 52 insert arrangements, accommodating M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 8. Constructed with high-strength aluminum shells and offering multiple plating options such as electroless nickel and cadmium finishes, they ensure durability and performance. Whether in aerospace, defense, or industrial applications, these connectors meet the demands of high-reliability environments, making them a preferred choice for critical connectivity needs.