| FASTENER LENGTH | 1.210 INCHES MINIMUM AND 1.250 INCHES MAXIMUM |
| HEAD DIAMETER | 0.303 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| HEAD HEIGHT | 0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM |
| HEAD STYLE | FLAT CHAMFER |
| INTERNAL DRIVE STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| MINIMUM YIELD STRENGTH | 130000 POUNDS PER SQUARE INCH |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| SPECIFICATION/STANDARD DATA | 80205-NAS1351 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| THREAD CLASS | 3A |
| THREAD LENGTH | 0.875 INCHES MINIMUM |
| THREAD SERIES DESIGNATOR | UNRF |
| THREAD QUANTITY PER INCH | 32 |
| WIDTH ACROSS FLATS | 0.156 INCHES MINIMUM AND 0.159 INCHES MAXIMUM |