| FASTENER LENGTH | 0.438 INCHES NOMINAL |
| HEAD DIAMETER | 0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM |
| HEAD HEIGHT | 0.099 INCHES MINIMUM AND 0.100 INCHES MAXIMUM |
| HEAD STYLE | PAN |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW,MACHINE,PAN HEAD TYPE 1, CROSS RECESS |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | ASME B18.24-2004 ASSN STD SINGLE MATERIAL RESPONSE |
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM F1841, TYPE 3A ASSN STD SINGLE TREATMENT RESPONSE |
| SCREW MATERIAL | STEEL COMP 1030 |
| SCREW SURFACE TREATMENT | ZINC |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.438 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |