Series | 
                                                                        N/A RL | 
                                                                                Basic Lockring Size | 
                                                                        N/A 100 | 
| Material Type1 | N/A 4130 Steel or 4140 Steel or 8740 Steel | 
                                                                                Material Specification | 
                                                                        N/A AMS 6370 (4130 Steel), AMS 6382 (4140 Steel), AMS 6322 (8740 Steel) | 
                                                                                Heat Treat | 
                                                                        N/A 36-45 HRc per AMS 2759 | 
                                                                                Finish | 
                                                                        N/A Cadmium Plate per ASTM B766, Type II, Class 8 | 
                                                                                A - Dia +.005 -.004 | 
                                                                        N/A 1.611 in | 
                                                                                B - Dia +.004 -.003 | 
                                                                        N/A 1.282 in | 
                                                                                C - Thickness | 
                                                                        N/A 0.193 in | 
                                                                                D - Dia | 
                                                                        N/A 1.509 in | 
                                                                                E - Nr. of External Serrations (Total Teeth), Approx | 
                                                                        N/A 32.000 | 
                                                                                F - Nr. of Internal Serrations | 
                                                                        N/A 42.000 |