| FASTENER LENGTH | 0.589 INCHES MINIMUM AND 0.599 INCHES MAXIMUM |
| HEAD HEIGHT | 0.035 INCHES MINIMUM AND 0.045 INCHES MAXIMUM |
| HEAD STYLE | OVAL/TRUSS |
| HEAD MAJOR DIAMETER | 0.229 INCHES MINIMUM AND 0.239 INCHES MAXIMUM |
| HOLE DEPTH | 0.126 INCHES NOMINAL |
| HOLE DIAMETER | 0.100 INCHES MINIMUM AND 0.107 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-W-321,1/4 H FED SPEC ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | COPPER ALLOY 260 OR COPPER ALLOY 270 OVERALL |
| NONDEFINITIVE SPEC/STD DATA | 12 TYPE AND F GRADE AND 3 CLASS |
| SHANK DIAMETER | 0.141 INCHES MINIMUM AND 0.146 INCHES MAXIMUM |
| SHANK STYLE | TUBULAR |
| SHEAR STRENGTH | 35000 DOUBLE POUNDS PER SQUARE INCH |