D - Cup Outer Diameter | 
                                                                        N/A 7.5 in190.5 mm | 
                                                                                D1 - Flange Outer Diameter | 
                                                                        N/A 7.8710 in199.923 mm | 
                                                                                C - Cup Width | 
                                                                        N/A 1.75 in44.45 mm | 
                                                                                C1 - Cup Flange Width | 
                                                                        N/A 0.3750 in9.525 mm |