MIL-DTL-38999 Series I connectors offer robust connectivity solutions for harsh environments. With up to 128 contacts sealed within their inserts, these connectors ensure reliable performance in extreme conditions, with an operating temperature range of -65 °C to 200 °C. Featuring a variety of receptacle options including front and rear wall mount as well as jam nut configurations, they are versatile for different installation needs. The connectors comply with military specification MIL-DTL-38999 I and come in nine shell sizes and 52 insert arrangements, accommodating various contact sizes such as 22D, 22M, 22, 20, 16, and 8. Utilizing M39029 rear release crimp contacts, they guarantee secure and efficient connections. Constructed with high strength aluminum shells and available in different plating options like cadmium and nickel, these connectors ensure durability and performance. The RoHS compliant finishes offer peace of mind for environmental regulations. With features like bayonet coupling and gold contact plating, they assure high conductivity and longevity, rated for 500 mating cycles. Suitable for applications requiring rugged and dependable connectivity, these MIL-DTL-38999 I connectors are the ideal choice for demanding environments.