| DIAMETER | 3.15 MILLIMETERS MINIMUM AND 3.25 MILLIMETERS MAXIMUM |
| FIRST END STYLE | SQUARE |
| HEAD STYLE | ROUND |
| HEIGHT | 1.8 MILLIMETERS MINIMUM AND 2.3 MILLIMETERS MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | STEEL COMP 1108 OR STEEL COMP 1109 OR STEEL COMP 1110 OR STEEL COMP 1116 OR STEEL COMP 1117 OR STEEL COMP 1118 OR STEEL COMP 1119 OR STEEL COMP 1132 OR STEEL COMP 1137 OR STEEL COMP 1139 OR STEEL COMP 1140 OR STEEL COMP 1141 OR STEEL COMP 1144 OR STEEL COMP 1145 OR STEEL COMP 1146 OR STEEL COMP 1151 OR STEEL COMP 12L14 OR STEEL COMP 1211 OR STEEL COMP 1212 OR STEEL COMP 1213 OR STEEL COMP 1215 OVERALL |
| PIN HEAD DIAMETER | 5.3 MILLIMETERS MINIMUM AND 5.6 MILLIMETERS MAXIMUM |
| STYLE DESIGNATOR | GROOVE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| UNDER HEAD LENGTH | 4.00 MILLIMETERS MINIMUM AND 4.25 MILLIMETERS MAXIMUM |