The MIL-DTL-38999 Series II connectors are rugged and reliable solutions for harsh environments, featuring up to 128 contacts in an insert. With a wide operating temperature range from -65°C to 200°C, these connectors are ideal for demanding applications. Available in various mounting options including jam nut, front and rear wall mount, and box mount receptacles, they offer versatility in installation. Constructed with aluminum shells and offering RoHS compliant plating options, such as gold and electroless nickel, these connectors ensure excellent conductivity and durability. Featuring M39029 rear release crimp contacts, they guarantee secure connections. Designed for military specifications, these connectors are perfect for aerospace, defense, and industrial applications where reliability is paramount.