| FASTENER LENGTH | 0.203 INCHES MINIMUM AND 0.218 INCHES MAXIMUM |
| HEAD HEIGHT | 0.015 INCHES MINIMUM AND 0.020 INCHES MAXIMUM |
| HEAD STYLE | FLAT FILLISTER |
| HEAD MAJOR DIAMETER | 0.274 INCHES MINIMUM AND 0.280 INCHES MAXIMUM |
| HEAT TREATMENT | ANNEALED OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | ALUMINUM ALLOY 1100 OVERALL |
| SHANK DIAMETER | 0.110 INCHES MINIMUM AND 0.114 INCHES MAXIMUM |
| SHANK STYLE | STRAIGHT W/SHOULDER |
| SHOULDER DIAMETER | 0.190 INCHES MINIMUM AND 0.195 INCHES MAXIMUM |
| SHOULDER LENGTH | 0.073 INCHES MINIMUM AND 0.078 INCHES MAXIMUM |