D - Cup Outer Diameter | 
                                                                        N/A 4-7/8 in123.825 mm | 
                                                                                D1 - Flange Outer Diameter | 
                                                                        N/A 5.2500 in133.350 mm | 
                                                                                C - Cup Width | 
                                                                        N/A 1 in25.4 mm | 
                                                                                C1 - Cup Flange Width | 
                                                                        N/A 0.2500 in6.350 mm |