
                                                                                C/S (inches) | 
                                                                        N/A 0.275 | 
                                                                                C/S Tolerance (±) | 
                                                                        N/A 0.006 | 
                                                                                I.D. (inches) | 
                                                                        N/A 7.975 | 
                                                                                I.D. Tolerance (±) | 
                                                                        N/A 0.045 | 
                                                                                O.D. (REF) (inches) | 
                                                                        N/A 8.525 | 
                                                                                Nominal C/S (inches) | 
                                                                        N/A 1/4 | 
                                                                                Nominal I.D. (inches) | 
                                                                        N/A 8 | 
                                                                                Nominal O.D. (inches) | 
                                                                        N/A 8 1/2 | 
                                                                                Metric C/S (mm) | 
                                                                        N/A 7.0 | 
                                                                                Metric I.D. (mm) | 
                                                                        N/A 202.6 | 
                                                                                Metric O.D. (mm) | 
                                                                        N/A 216.5 |