D - Cup Outer Diameter | 
                                                                        N/A 16.0000 in406.400 mm | 
                                                                                D1 - Flange Outer Diameter | 
                                                                        N/A 16.7500 in425.450 mm | 
                                                                                C - Cup Width | 
                                                                        N/A 2.75 in69.85 mm | 
                                                                                C1 - Cup Flange Width | 
                                                                        N/A 0.6875 in17.463 mm |