| FASTENER LENGTH | 0.312 INCHES NOMINAL |
| HEAD DIAMETER | 0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM |
| HEAD HEIGHT | 0.72 INCHES MINIMUM AND 0.82 INCHES MAXIMUM |
| HEAD STYLE | PAN |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREWS, MACHINE, PAN HEAD, TYPE I CROSS RECESS |
| NOMINAL THREAD DIAMETER | 0.138 INCHES |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | ASME B18.6.3 UNHARDENED MACHINE SCREW INTERNATIONAL STD/SPEC SINGLE MATERIAL RESPONSE |
| SCREW MATERIAL | STEEL |
| SPECIFICATION/STANDARD DATA | 05047-ASME B18.24-2023 INTERNATIONAL STD/SPEC |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM F1941, ZINC COATING FE/ZN, TYPE 3A INTERNATIONAL STD/SPEC SINGLE TREATMENT RESPONSE |
| SURFACE TREATMENT | ZINC NICKEL |
| THREAD LENGTH | 0.312 INCHES NOMINAL |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 40 |
| THREAD SERIES DESIGNATOR | UNF |