| MRC | 
                        Requirement Statement | 
                        Characteristics | 
                    
                    
                   
                         
                      
                        | ABNL | 
                        CIRCLE DIAMETER | 
                        0.740 INCHES MINIMUM AND 0.750 INCHES MAXIMUM | 
                      
          
                      
                        | CQFM | 
                        HARDNESS RATING | 
                        26.0 ROCKWELL C MINIMUM OVERALL AND 33.0 ROCKWELL C MAXIMUM OVERALL | 
                      
          
                      
                        | MDCL | 
                        MATERIAL DOCUMENT AND CLASSIFICATION | 
                        MIL-S-6050 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | 
                      
          
                      
                        | MATT | 
                        MATERIAL | 
                        STEEL COMP 8630 OVERALL | 
                      
          
                      
                        | AXFE | 
                        KEY HEIGHT | 
                        0.308 INCHES MINIMUM AND 0.313 INCHES MAXIMUM | 
                      
          
                      
                        | ACJJ | 
                        KEY SIZE DESIGNATION | 
                        WOODRUFF 8 | 
                      
          
                      
                        | ACJH | 
                        STARTING EDGE RADIUS | 
                        0.008 INCHES MINIMUM AND 0.012 INCHES MAXIMUM | 
                      
          
                      
                        | CSPJ | 
                        STARTING EDGE SHAPE | 
                        ROUND | 
                      
          
                      
                        | STYL | 
                        STYLE DESIGNATOR | 
                        ROUND BOTTOM | 
                      
          
                      
                        | ABNM | 
                        THICKNESS | 
                        0.156 INCHES MINIMUM AND 0.157 INCHES MAXIMUM |