Series | 
                                                                        N/A RL | 
                                                                                Basic Lockring Size | 
                                                                        N/A 56 | 
| Material Type1 | N/A 4340 Steel | 
                                                                                Material Specification | 
                                                                        N/A AMS-S-5000 | 
                                                                                Heat Treat | 
                                                                        N/A 150-165 KSI UTS | 
                                                                                Finish | 
                                                                        N/A Cadmium Plate per AMS-QQ-P-416, Type II, Class 3 | 
                                                                                A - Dia +.005 -.004 | 
                                                                        N/A 0.910 in | 
                                                                                B - Dia +.004 -.003 | 
                                                                        N/A 0.695 in | 
                                                                                C - Thickness | 
                                                                        N/A 0.130 in | 
                                                                                D - Dia | 
                                                                        N/A 0.837 in | 
                                                                                E - Nr. of External Serrations (Total Teeth), Approx | 
                                                                        N/A 44.000 | 
                                                                                F - Nr. of Internal Serrations | 
                                                                        N/A 30.000 | 
| 
                                                                         
                                                                            N/A
                                                                              |