| FASTENER LENGTH | 0.438 INCHES NOMINAL |
| HEAD HEIGHT | 0.055 INCHES MINIMUM AND 0.065 INCHES MAXIMUM |
| HEAD STYLE | OVAL/TRUSS |
| HEAD MAJOR DIAMETER | 0.306 INCHES MINIMUM AND 0.318 INCHES MAXIMUM |
| HOLE DEPTH | 0.146 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-W-321 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | COPPER ALLOY 260 OR COPPER ALLOY 270 OVERALL |
| SHANK DIAMETER | 0.188 INCHES NOMINAL |
| SHANK STYLE | TUBULAR |
| SHEAR STRENGTH | 35000 SINGLE POUNDS PER SQUARE INCH |
| SPECIAL FEATURES | COLOR BLACK |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-495 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | OXIDE OVERALL |