D - Cup Outer Diameter | 
                                                                        N/A 12.4375 in315.913 mm | 
                                                                                D1 - Flange Outer Diameter | 
                                                                        N/A 12.7529 in323.924 mm | 
                                                                                C - Cup Width | 
                                                                        N/A 0.875 in22.225 mm | 
                                                                                C1 - Cup Flange Width | 
                                                                        N/A 0.1969 in5.001 mm |