MIL-DTL-38999 Series I connectors offer a rugged solution for demanding environments, featuring up to 128 contacts in a sealed insert. With a wide operating temperature range from -65 °C to 200 °C, these connectors are suitable for various applications. Available in multiple shell sizes and insert arrangements, they accommodate M39029 rear release crimp contacts for secure connections. Constructed with high-strength aluminum shells and offered in various plating options, including RoHS compliant finishes, these connectors ensure reliable performance. The series includes receptacles for front wall mount, rear wall mount, and jam nut configurations, with options for RFI grounding plugs. Suitable for military and industrial use, these connectors meet MIL-DTL-38999 I specifications for durability and performance in harsh conditions.