| DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS | 0.375 INCHES NOMINAL |
| FASTENER LENGTH | 4.188 INCHES NOMINAL |
| FEATURES PROVIDED | CASEHARDENED |
| HARDNESS RATING | 223.0 BRINELL STANDARD MINIMUM AND 277.0 BRINELL STANDARD MAXIMUM OVERALL |
| HEAD DIAMETER | 1.938 INCHES NOMINAL |
| HEAD HEIGHT | 0.312 INCHES NOMINAL |
| HEAD STYLE | FLAT CHAMFER |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM ASSN STD ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | STEEL COMP 3120 OR STEEL COMP 8620H OR STEEL COMP 4620H OR STEEL COMP 8622H OR STEEL COMP 4427 OVERALL |
| NOMINAL THREAD DIAMETER | 0.750 INCHES |
| RIB INCLUDED ANGLE | 90.0 DEGREES NOMINAL |
| RIB LENGTH | 0.422 INCHES MINIMUM AND 0.454 INCHES MAXIMUM |
| RIB MAJOR DIAMETER | 1.019 INCHES MINIMUM AND 1.023 INCHES MAXIMUM |
| RIB MINOR DIAMETER | 0.926 INCHES MINIMUM AND 0.930 INCHES MAXIMUM |
| RIB QUANTITY | 36 |
| SHOULDER DIAMETER | 0.973 INCHES MINIMUM AND 0.977 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER LENGTH | 2.688 INCHES NOMINAL FIRST SHOULDER |
| SHOULDER SHAPE | RIBBED FIRST SHOULDER |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 2A |
| THREAD LENGTH | 1.188 INCHES MINIMUM |
| THREAD QUANTITY PER INCH | 16 |
| THREAD SERIES DESIGNATOR | UNF |