MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert with front and rear wall mount options, jam nut, and box mount receptacles. Operating between -65 °C and 200 °C, these connectors offer reliability in extreme conditions. Available in aluminum shells with various plating options, including RoHS compliant finishes, they ensure durability and environmental sealing. Utilizing M39029 rear release crimp contacts, they provide secure connections and are ideal for military and industrial applications. With gold contact plating, a straight plug design, and EMI/RFI shielding, they guarantee optimal performance in demanding situations.