| FASTENER LENGTH | 0.625 INCHES NOMINAL |
| HEAD HEIGHT | 0.107 INCHES MINIMUM AND 0.117 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.509 INCHES MINIMUM AND 0.525 INCHES MAXIMUM |
| HEAD STYLE | UNIVERSAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-430 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | ALUMINUM ALLOY 2017 OVERALL |
| SHANK DIAMETER | 0.250 INCHES MINIMUM AND 0.252 INCHES MAXIMUM |
| SHANK STYLE | STRAIGHT |
| SPECIAL FEATURES | CHEMICAL CONVERSION COATING |