MIL-DTL-38999 Series I connectors feature up to 128 contacts in an insert, providing robust connectivity in harsh environments. With a wide operating temperature range of -65 °C to 200 °C, these connectors are ideal for demanding applications. Available in various shell sizes and insert arrangements, they offer versatility in design. Constructed with high-strength aluminum shells and offering multiple plating options, including RoHS-certified finishes, they ensure long-lasting performance. The connectors come in different mounting types, including front and rear wall mount, as well as jam nut receptacles, with RFI grounding plugs for added functionality. Utilizing M39029 rear release crimp contacts, they guarantee secure connections. These connectors, meeting MIL-DTL-38999 I military specifications, are essential for reliable electrical systems in aerospace, defense, and other industries.