D - Cup Outer Diameter | 
                                                                        N/A 6.3125 in160.338 mm | 
                                                                                D1 - Flange Outer Diameter | 
                                                                        N/A 6.4647 in164.203 mm | 
                                                                                C - Cup Width | 
                                                                        N/A 0.6563 in16.670 mm | 
                                                                                C1 - Cup Flange Width | 
                                                                        N/A 0.1563 in3.970 mm |