| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.3025 INCHES MINIMUM AND 0.3225 INCHES MAXIMUM |
| EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
| FASTENER LENGTH | 0.7975 INCHES MINIMUM AND 0.8275 INCHES MAXIMUM |
| FIRST DIAMETER FROM HEAD | 0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM |
| HEAD DIAMETER | 0.500 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| HEAD HEIGHT | 0.5525 INCHES MINIMUM AND 0.5725 INCHES MAXIMUM |
| HEAD STYLE | KNURLED NO. 5 |
| INTERNAL DRIVE STYLE | SLOT |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | CAPTIVE PANEL SCREW |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM-A-582 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| POINT CHAMFER ANGLE | 85.0 DEGREES MINIMUM AND 95.0 DEGREES MAXIMUM |
| POINT DIAMETER | 0.165 INCHES MINIMUM AND 0.175 INCHES MAXIMUM |
| POINT LENGTH | 0.1725 INCHES MINIMUM AND 0.2025 INCHES MAXIMUM |
| POINT STYLE | CONE |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.2975 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 20 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |