The MIL-DTL-38999 Series II connectors are designed for demanding environments, featuring up to 128 contacts in an insert. With robust environmental sealing and a wide operating temperature range from -65°C to 200°C, they ensure reliable performance in extreme conditions. Available in various mounting styles including front and rear wall mount, jam nut, and box mount receptacles, these connectors offer versatility in installation. Constructed with aluminum shells and offering multiple plating options, they meet stringent military specifications. The removable crimp contacts, with gold plating, ensure high conductivity and durability, with a mating life of 500 cycles. RoHS compliant finishes are also available. Perfect for applications requiring secure and efficient electrical connections in harsh settings.