The 1555H2F42GY is a polycarbonate flanged enclosure manufactured by Hammond with a RAL-7035 gray finish and UL94-V0/5VA fire rating at 3mm thickness. The enclosure features external dimensions of 220.79 mm × 200.79 mm with an internal box depth of 42.00 mm and internal lid depth of 12.00 mm, providing a total assembled height of 47.00 mm. The inlay cavity measures 148.89 mm (length) × 113.78 mm (width) × 2.00 mm (depth), with four mounting holes of Ø5.00 mm and a central hole of Ø8.50 mm. The purchased assembly includes the box, flanged lid, four M4 × 20mm Type 304 stainless steel cover screws (to be torqued to 2.5 lbf·in / 30 cN·m), and a preformed silicone gasket. This enclosure is ideal for general-purpose applications requiring superior flame resistance, chemical resistance, and optical clarity, with options for factory modifications including milling, drilling, and printing.