MIL-DTL-38999 Series I connectors, part of the 38999 I harsh environment connector family, offer reliable performance in demanding conditions. With up to 128 contacts housed in an insert, these connectors are ideal for high-density applications. Featuring front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, they provide versatility in installation. Compliant with MIL-DTL-38999 I military specifications, these circular connectors are designed for durability. Their aluminum shells, available in various plating options including cadmium-free finishes, ensure robust protection. Operating between -65°C and 200°C, with contact plating in gold, they guarantee efficient conductivity even in extreme temperatures. With a contact mating life of 500 cycles and environmental resistance, these connectors are suitable for critical military and aerospace systems. Trust the MIL-DTL-38999 Series I connectors for secure and dependable connectivity in challenging environments.