D - Cup Outer Diameter | 
                                                                        N/A 6.5625 in166.688 mm | 
                                                                                D1 - Flange Outer Diameter | 
                                                                        N/A 6.7500 in171.450 mm | 
                                                                                C - Cup Width | 
                                                                        N/A 1.25 in31.75 mm | 
                                                                                C1 - Cup Flange Width | 
                                                                        N/A 0.1875 in4.763 mm |