| FASTENER LENGTH | 0.500 INCHES NOMINAL |
| HEAD HEIGHT | 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| LOCKING FEATURE | SELF-LOCKING LOCKING FEATURE |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM F 593,S5 COLD WORKED AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) ALL MATERIAL RESPONSES FASTENER |
| MATERIAL | STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 384 FASTENER |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | HEX CAP SCREW |
| MINIMUM TENSILE STRENGTH | 105000 POUNDS PER SQUARE INCH |
| MINIMUM YIELD STRENGTH | 65000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| SPECIAL FEATURES | SELF-LOCKING ELEMENTS IN ACCORDANCE WITH MIL-F-8961 OR MIL-DTL-18240 |
| SPECIFICATION/STANDARD DATA | 81349-MIL-DTL-1222J GOVERNMENT SPECIFICATION |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.500 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 20 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| WIDTH BETWEEN FLATS | 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |