Electrical Box, Octagon, Number of Gangs 2, Galvanized Steel, 1 1/2 in Nominal Depth/ INSIDE WIDTH: 4.000 INCHES NOMINAL COVER MOUNTING HOLE QUANTITY: 1 INSIDE DEPTH: 0.500 INCHES NOMINAL ENTRANCE QUANTITY: 1 COVER TYPE: FLAT END ITEM IDENTIFICATION: ARMY ASL DISTANCE ACROSS FLATS: 4.000 INCHES NOMINAL COVER OPENING SHAPE AND QUANTITY: 1 SQUARE ENTRANCE DIAMETER: 4.000 INCHES OVERALL PART NAME ASSIGNED BY CONTROLLING AGENCY: RACO BOX,OCTAGON,4 X 4 INCH MATERIAL: ALUMINUM OVERALL OR STEEL CORROSION RESISTING STYLE DESIGNATOR: C1 OCTAGONAL