D - Cup Outer Diameter | 
                                                                        N/A 12.3750 in314.325 mm | 
                                                                                D1 - Flange Outer Diameter | 
                                                                        N/A 13.3125 in338.138 mm | 
                                                                                C - Cup Width | 
                                                                        N/A 1.4375 in36.513 mm | 
                                                                                C1 - Cup Flange Width | 
                                                                        N/A 0.3250 in8.255 mm |