PART No. INTERNAL PANEL PART NAME NBX-10988 12.992 [330 mm] 11.731 [298 mm] 11.256 [286 mm] 7.394 7.770 9.016 [188 mm] [197 mm] [229 mm] .315 [8 mm] (4) PLCS. R.630 [16 mm] (4) PLCS. MATERIAL: 14 GAUGE GALVANIZED STEEL (.078 [2 mm] THK.) ALL DIMENSIONS HAVE A .015 [.4 mm] TOLERANCE UNLESS OTHERWISE SPECIFIED PANEL IS SUPPLIED WITH QTY. (4) M5 x 10mm LG. TRUSS HD. PHILLIPS DRIVE STAINLESS STEEL MACHINE SCREWS REV: 05/14/07