D - Cup Outer Diameter | 
                                                                        N/A 6.7500 in171.450 mm | 
                                                                                D1 - Flange Outer Diameter | 
                                                                        N/A 7.2460 in184.048 mm | 
                                                                                C - Cup Width | 
                                                                        N/A 2.0938 in53.183 mm | 
                                                                                C1 - Cup Flange Width | 
                                                                        N/A 0.3125 in7.938 mm |