| FASTENER LENGTH | 0.500 INCHES NOMINAL |
| HEAD DIAMETER | 0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM |
| HEAD HEIGHT | 0.099 INCHES MINIMUM AND 0.110 INCHES MAXIMUM |
| HEAD STYLE | PAN |
| INTERNAL DRIVE STYLE | SIX SPLINE |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREWS, MACHINE, PAN HEAD, TYPE VI SIX-LOBE RECESS |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | ASTM F837, ALLOY GROUP 1 CW ASSN STD SINGLE MATERIAL RESPONSE |
| SCREW MATERIAL | STEEL CORROSION RESISTING |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| SPECIFICATION/STANDARD DATA | 05047-ASME B18.24-2020 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| SPLINE MAJOR DIAMETER | 0.149 INCHES MAXIMUM |
| SPLINE MINOR DIAMETER | 0.126 INCHES MINIMUM AND 0.128 INCHES MAXIMUM |
| SPLINE WIDTH | 0.030 INCHES MINIMUM AND 0.032 INCHES MAXIMUM |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 2A |
| THREAD LENGTH | 0.500 INCHES NOMINAL |