| MRC | 
                        Requirement Statement | 
                        Characteristics | 
                    
                    
                   
                         
                      
                        | ABNL | 
                        CIRCLE DIAMETER | 
                        0.990 INCHES MINIMUM AND 1.000 INCHES MAXIMUM | 
                      
          
                      
                        | CQFM | 
                        HARDNESS RATING | 
                        10.0 ROCKWELL C MINIMUM OVERALL | 
                      
          
                      
                        | MDCL | 
                        MATERIAL DOCUMENT AND CLASSIFICATION | 
                        SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL | 
                      
          
                      
                        | MATT | 
                        MATERIAL | 
                        STEEL COMP 1035 OVERALL | 
                      
          
                      
                        | AXFE | 
                        KEY HEIGHT | 
                        0.433 INCHES MINIMUM AND 0.438 INCHES MAXIMUM | 
                      
          
                      
                        | ACJJ | 
                        KEY SIZE DESIGNATION | 
                        WOODRUFF B | 
                      
          
                      
                        | ACJH | 
                        STARTING EDGE RADIUS | 
                        0.010 INCHES MINIMUM AND 0.020 INCHES MAXIMUM | 
                      
          
                      
                        | CSPJ | 
                        STARTING EDGE SHAPE | 
                        ROUND | 
                      
          
                      
                        | STYL | 
                        STYLE DESIGNATOR | 
                        ROUND BOTTOM | 
                      
          
                      
                        | ABNM | 
                        THICKNESS | 
                        0.3125 INCHES MINIMUM AND 0.3135 INCHES MAXIMUM |