Series | 
                                                                        N/A 4002 | 
                                                                                Head Style | 
                                                                        N/A #2 Cross Recess | 
                                                                                Stud Material | 
                                                                        N/A 4037 Steel per AMS 6300, ASTM A331, ASTM A322, ASTM A752 or 1008-1010 Steel per ASTM A108 | 
                                                                                Cup Material | 
                                                                        N/A Carbon Steel per ASTM A684 | 
                                                                                Spring Material | 
                                                                        N/A Music Wire per ASTM A228 | 
                                                                                Spacer Material | 
                                                                        N/A Carbon Steel per ASTM A109, ASTM A682 or ASTM A684 | 
                                                                                Cross Pin Material | 
                                                                        N/A Music Wire per ASTM A228 | 
                                                                                Finish | 
                                                                        N/A Nickel Plate per AMS-QQ-N-290, Class 1, Grade F | 
                                                                                Stud & Cup Finish | 
                                                                        N/A Nickel Plate per AMS-QQ-N-290, Class 1, Grade F | 
                                                                                Spacer, Cross Pin & Spring Finish | 
                                                                        N/A Zinc Plated | 
                                                                                L | 
                                                                        N/A 0.743-0.753 in | 
                                                                                S | 
                                                                        N/A 1.020 in | 
                                                                                Approx. Weight/100 | 
                                                                        N/A 1.170 lb | 
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                                                                            N/A
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