MIL-DTL-38999 Series I connectors offer robust connectivity with up to 128 contacts, sealed for environmental protection. Operating in extreme temperatures from -65°C to 200°C, they ensure reliable performance in harsh conditions. Featuring various mounting options, including front and rear wall mount and jam nut receptacles, these connectors accommodate diverse applications. With 52 insert arrangements and M39029 rear release crimp contacts, they provide flexibility and ease of use. Constructed with high-strength aluminum shells and available in different plating options, they offer durability and corrosion resistance. Compliant with military specifications, these connectors guarantee quality and reliability in demanding environments.