MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With an operating temperature range of -65 °C to 200 °C, they offer reliable performance in extreme conditions. Available in various shell sizes and insert arrangements, these connectors come in high-strength aluminum shells with options for different plating finishes, including RoHS-certified cadmium-free coatings. The connector family includes front wall mount, rear wall mount, and jam nut receptacles, along with RFI grounding plugs, all meeting military specification MIL-DTL-38999 I. Removable crimp contacts ensure easy installation, while the bayonet coupling system provides secure mating. Suitable for wall mounting applications, these connectors are ideal for use in aerospace, defense, and other demanding industries.