D - Cup Outer Diameter | 
                                                                        N/A 6-3/8 in161.925 mm | 
                                                                                D1 - Flange Outer Diameter | 
                                                                        N/A 6.6830 in169.748 mm | 
                                                                                C - Cup Width | 
                                                                        N/A 1.5 in38.1 mm | 
                                                                                C1 - Cup Flange Width | 
                                                                        N/A 0.3120 in7.925 mm |