Hammond Manufacturing 1590Z Type 4X/6P Diecast Aluminum Enclosures are rugged, diecast aluminum alloy enclosures for electronic instruments. Hammond 1590Z Enclosures are tough but easy to machine. The two-piece tongue-and-groove construction with a replaceable one-piece silicone rubber gasket provides protection against dust and water (IP68 rated). The gasket is supplied loose inside the enclosure and has a temperature rating of -40°C to +150°C. The series is ideal for repetitive opening and closing.