D - Cup Outer Diameter | 
                                                                        N/A 5.1250 in130.175 mm | 
                                                                                D1 - Flange Outer Diameter | 
                                                                        N/A 5.3750 in136.525 mm | 
                                                                                C - Cup Width | 
                                                                        N/A 1.25 in31.75 mm | 
                                                                                C1 - Cup Flange Width | 
                                                                        N/A 0.2500 in6.350 mm |