| MRC | 
                        Requirement Statement | 
                        Characteristics | 
                    
                    
                   
                         
                      
                        | ABNL | 
                        CIRCLE DIAMETER | 
                        0.990 INCHES MINIMUM AND 1.000 INCHES MAXIMUM | 
                      
          
                      
                        | CRTL | 
                        CRITICALITY CODE JUSTIFICATION | 
                        ZZZY | 
                      
          
                      
                        | MATT | 
                        MATERIAL | 
                        NICKEL ALLOY OVERALL | 
                      
          
                      
                        | AXFE | 
                        KEY HEIGHT | 
                        0.422 INCHES MINIMUM AND 0.428 INCHES MAXIMUM | 
                      
          
                      
                        | ACJJ | 
                        KEY SIZE DESIGNATION | 
                        WOODRUFF 13 | 
                      
          
                      
                        | MDCL | 
                        MATERIAL DOCUMENT AND CLASSIFICATION | 
                        ASTM B164 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | 
                      
          
                      
                        | ZZZY | 
                        REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | 
                        MAGNETIC PERMEABILITY SHALL BE LESS THAN 1.2 BEFORE FABRICATION AND NOT GREATER THAN 2.0 AFTER FABRICATION AS MEASURED IN A 200 OERSTED FIELD | 
                      
          
                      
                        | CSPJ | 
                        STARTING EDGE SHAPE | 
                        STRAIGHT | 
                      
          
                      
                        | STYL | 
                        STYLE DESIGNATOR | 
                        FLAT BOTTOM | 
                      
          
                      
                        | ABNM | 
                        THICKNESS | 
                        0.1875 INCHES MINIMUM AND 0.1885 INCHES MAXIMUM |