D - Cup Outer Diameter | 
                                                                        N/A 6-3/8 in161.925 mm | 
                                                                                D1 - Flange Outer Diameter | 
                                                                        N/A 6.7500 in171.450 mm | 
                                                                                C - Cup Width | 
                                                                        N/A 1.1875 in30.163 mm | 
                                                                                C1 - Cup Flange Width | 
                                                                        N/A 0.2810 in7.137 mm |