| SHANK DIAMETER | 0.118 INCHES MINIMUM AND |
| 0.123 INCHES MAXIMUM |
| HOLE DEPTH | 0.094 INCHES NOMINAL |
| NONDEFINITIVE SPEC/STD DATA | 12 TYPE AND |
| 3 CLASS AND |
| F GRADE |
| MATERIAL | COPPER ALLOY 260 OR |
| COPPER ALLOY 270 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-W-321 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| SURFACE TREATMENT | NICKEL OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-N-290,CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| HEAT TREATMENT | QUARTER HARD OVERALL |
| SHEAR STRENGTH | 35000 SINGLE POUNDS PER SQUARE INCH |
| HEAD STYLE | OVAL/TRUSS |
| HEAD HEIGHT | 0.030 INCHES MINIMUM AND |
| 0.038 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.213 INCHES MINIMUM AND |
| 0.223 INCHES MAXIMUM |
| SHANK STYLE | TUBULAR |
| FASTENER LENGTH | 0.406 INCHES NOMINAL |
| HOLE DIAMETER | 0.084 INCHES MINIMUM AND |
| 0.090 INCHES MAXIMUM |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 81348 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | FF-R-556 |
| MANUFACTURERS CODE | 96906 |
| DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MS16535-141N |