| COLOR | BLACK OVERALL |
| FASTENER LENGTH | 0.595 INCHES MINIMUM AND 0.625 INCHES MAXIMUM |
| FEATURES PROVIDED | LOCK WASHER |
| HEAD DIAMETER | 0.303 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| HEAD HEIGHT | 0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM |
| HEAD STYLE | FLAT CHAMFER |
| INTERNAL DRIVE STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM F593 AUSTENITIC ALLY GROUP 1 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| MINIMUM TENSILE STRENGTH | 65000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.1900 INCHES |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW-SHCS-SPRING LOCK WASHER SEMS,HEX DRIVE,STAILNESS STEEL |
| SPECIAL FEATURES | SPRING LOCK WASHER PER UNS S30200-S30500,35 TO 43 HRC HARDNESS |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES DESIGNATOR | UNF |
| WIDTH ACROSS FLATS | 0.156 INCHES NOMINAL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | BLACK OXIDE OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 2A |
| THREAD LENGTH | 0.595 INCHES MINIMUM AND 0.625 INCHES MAXIMUM |