| COUNTERSINK ANGLE | 150.0 DEGREES NOMINAL |
| FASTENER LENGTH | 0.412 INCHES MINIMUM AND 0.422 INCHES MAXIMUM |
| GRIP LENGTH | 0.412 INCHES MINIMUM AND 0.422 INCHES MAXIMUM |
| HEAD HEIGHT | 0.061 INCHES MINIMUM AND 0.069 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.458 INCHES MINIMUM AND 0.478 INCHES MAXIMUM |
| HEAT TREATMENT | LIGHT ANNEALED OVERALL |
| HEAD STYLE | COUNTERSUNK W/ REVERSE CHAMFER |
| HOLE DEPTH | 0.218 INCHES NOMINAL |
| HOLE DIAMETER | 0.136 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-W-321 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | COPPER ALLOY 230 OR COPPER ALLOY 240 OR COPPER ALLOY 260 OVERALL |
| SHANK DIAMETER | 0.180 INCHES MINIMUM AND 0.185 INCHES MAXIMUM |
| SHANK STYLE | TUBULAR |