Series | 
                                                                        N/A RL | 
                                                                                Basic Lockring Size | 
                                                                        N/A 124 | 
| 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 Zinc Plate per QQ-Z-325, Type II, Class 3 | 
                                                                                A - Dia +.005 -.004 | 
                                                                        N/A 1.987 in | 
                                                                                B - Dia +.004 -.003 | 
                                                                        N/A 1.577 in | 
                                                                                C - Thickness | 
                                                                        N/A 0.193 in | 
                                                                                D - Dia | 
                                                                        N/A 1.885 in | 
                                                                                E - Nr. of External Serrations (Total Teeth), Approx | 
                                                                        N/A 40.000 | 
                                                                                F - Nr. of Internal Serrations | 
                                                                        N/A 50.000 | 
| 
                                                                         
                                                                            N/A
                                                                              |