| FIRST END STYLE | RADIUS |
| MATERIAL DOCUMENT AND CLASSIFICATION | BS S143D NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| PIN HEAD DIAMETER | 0.220 INCHES MINIMUM AND 0.225 INCHES MAXIMUM |
| SPECIAL FEATURES | COVER RETAINING |
| STYLE DESIGNATOR | GROOVE |
| SURFACE FINISH | 125.0 MICROINCHES OVERALL |
| UNDER HEAD LENGTH | 1.900 INCHES NOMINAL |
| UNDERCUT DIAMETER | 0.112 INCHES MINIMUM AND 0.116 INCHES MAXIMUM |
| FIRST HOLE DIAMETER | 3.20 MILLIMETERS NOMINAL |
| HEAD STYLE | ROUND |
| HOLE ARRANGEMENT STYLE | DRILLED THRU HEAD |
| DIAMETER | 0.145 INCHES MINIMUM AND 0.148 INCHES MAXIMUM |
| DISTANCE FROM CENTERLINE OF HOLE TO END OF PIN | 2.020 INCHES MINIMUM AND 2.040 INCHES MAXIMUM |
| FIRST END CORNER RADIUS | 0.020 INCHES MINIMUM AND 0.040 INCHES MAXIMUM |