D - Cup Outer Diameter | 
                                                                        N/A 11.25 in285.750 mm | 
                                                                                D1 - Flange Outer Diameter | 
                                                                        N/A 11.5624 in293.685 mm | 
                                                                                C - Cup Width | 
                                                                        N/A 1.375 in34.925 mm | 
                                                                                C1 - Cup Flange Width | 
                                                                        N/A 0.3125 in7.938 mm |