The MIL-DTL-38999 Series I connectors offer reliable connectivity in harsh environments, featuring up to 128 contacts housed in an environmentally sealed insert. With an operating temperature range of -65 °C to 200 °C, these connectors are suitable for a wide range of applications. Available in various shell sizes and insert arrangements, they utilize M39029 rear release crimp contacts for secure connections. The high-strength aluminum shells can be plated with options such as cadmium, nickel, or anodized finishes, catering to different environmental requirements. Designed for wall mounting, the connectors come in receptacle and grounding plug configurations, meeting MIL-DTL-38999 I specifications for military-grade performance.