D - Cup Outer Diameter | 
                                                                        N/A 2.5625 in65.088 mm | 
                                                                                D1 - Flange Outer Diameter | 
                                                                        N/A 2.6875 in68.263 mm | 
                                                                                C - Cup Width | 
                                                                        N/A 0.5500 in13.970 mm | 
                                                                                C1 - Cup Flange Width | 
                                                                        N/A 0.1250 in3.175 mm |