
                                                                                D - Tube O.D. | 
                                                                        N/A 1/2 in12.7 mm | 
                                                                                Thread Type | 
                                                                        N/A PF | 
                                                                                T - Thread Size | 
                                                                        N/A 1/2 | 
                                                                                E - Min. | 
                                                                        N/A 10.4 mm | 
                                                                                h - Width Across Flat | 
                                                                        N/A 15/16 in23.8 mm | 
                                                                                H - Width Across Flat | 
                                                                        N/A 7/8 in22.2 mm | 
                                                                                H1 - Width Across Flat | 
                                                                        N/A 1 1/16 in27.0 mm | 
                                                                                A | 
                                                                        N/A 22.9 mm | 
                                                                                B | 
                                                                        N/A 21.8 mm | 
                                                                                l | 
                                                                        N/A 27.9 mm | 
                                                                                l1 | 
                                                                        N/A 13.0 mm | 
                                                                                L | 
                                                                        N/A 38.1 mm | 
                                                                                L1 | 
                                                                        N/A 43.4 mm | 
                                                                                K | 
                                                                        N/A 32.0 mm | 
                                                                                O-Ring Uniform Size Number | 
                                                                        N/A P18 |