D - Cup Outer Diameter | 
                                                                        N/A 9 3/4 in247.650 mm | 
                                                                                D1 - Flange Outer Diameter | 
                                                                        N/A 11.1450 in283.083 mm | 
                                                                                C - Cup Width | 
                                                                        N/A 1.6250 in41.275 mm | 
                                                                                C1 - Cup Flange Width | 
                                                                        N/A 0.3125 in7.938 mm |