The MIL-DTL-38999 Series I connectors are designed for harsh environments, with up to 128 contacts housed in an insert for reliable connectivity. Featuring front wall mount, rear wall mount, and jam nut receptacles, they offer versatility in installation. Constructed with high-strength aluminum shells and available in various plating options, including RoHS certified finishes, these connectors ensure durability and compliance. Operating at temperatures ranging from -65 °C to 200 °C, they are suitable for a wide range of applications. Utilizing M39029 rear release crimp contacts, they guarantee secure connections. With a mating type of bayonet and contact gender of female, they provide efficient and conductive solutions for electrical connections. Meeting military specification MIL-DTL-38999 I, they offer reliability in demanding environments.