| THREAD CLASS | 2A |
| FASTENER LENGTH | 0.156 INCHES MINIMUM AND 0.188 INCHES MAXIMUM |
| HEAD STYLE | ROUND |
| HEAD DIAMETER | 0.146 INCHES MINIMUM AND 0.162 INCHES MAXIMUM |
| HEAD HEIGHT | 0.059 INCHES MINIMUM AND 0.069 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | SLOT |
| NOMINAL THREAD DIAMETER | 0.086 INCHES |
| MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH |
| SCREW MATERIAL | STEEL COMP 303 |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764 COND A FED SPEC SINGLE MATERIAL RESPONSE |