MIL-DTL-38999 Series I connectors offer high-performance connectivity in harsh environments. Featuring up to 128 contacts in an insert, these connectors are environmentally sealed with an operating temperature range from -65°C to 200°C. Available in various shell sizes and insert arrangements, they utilize M39029 rear release crimp contacts for reliable connections. With options for front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, these connectors meet diverse application needs. Constructed with high-strength aluminum shells and offered in a range of plating options, including RoHS-compliant finishes, they ensure durability and reliability in demanding settings. Whether in military, aerospace, or industrial applications, MIL-DTL-38999 Series I connectors provide secure and efficient electrical connectivity.