D - Cup Outer Diameter | 
                                                                        N/A 3.1875 in80.963 mm | 
                                                                                D1 - Flange Outer Diameter | 
                                                                        N/A 3.3085 in84.036 mm | 
                                                                                C - Cup Width | 
                                                                        N/A 0.5625 in14.288 mm | 
                                                                                C1 - Cup Flange Width | 
                                                                        N/A 0.1250 in3.175 mm |