Hammond 1590xxFL Series Flanged Lid Diecast Aluminium Enclosures - Natural - Hammond 1590LBFL, The Hammond IP54 Diecast Aluminium Enclosure, Flanged Lid (50.5 x 50.5 x 31mm) is an aluminium enclosure with countersunk lid, secured by 6-32 x ½ inch machined screws into drilled and tapped holes. The lap joint construction is designed to meet IP54 and also provides for improved EMI/RFI shielding. The flanged lid allows for easy wall or shelf mounting with added security as the lid screws are hidden against the wall or shelf. The enclosures are supplied unpainted. Hammond 1590LBFL Diecast Aluminium Enclosure Flanged Lid 50.5 x 50.5 x 31mm