| DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS | 0.240 INCHES NOMINAL |
| FASTENER LENGTH | 2.380 INCHES NOMINAL |
| HEAD DIAMETER | 1.180 INCHES MINIMUM |
| HEAD HEIGHT | 0.320 INCHES NOMINAL |
| HEAD STYLE | FLAT CHAMFER |
| MATERIAL DOCUMENT AND CLASSIFICATION | GM 290M,FSCM 24617 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| NOMINAL THREAD DIAMETER | 0.750 INCHES |
| NONSTANDARD THREAD PITCH DIAMETER | +0.7044 TO 0.7084 INCHES |
| RIB LENGTH | 0.500 INCHES NOMINAL |
| RIB MAJOR DIAMETER | 0.810 INCHES MINIMUM AND 0.820 INCHES MAXIMUM |
| RIB QUANTITY | 36 |
| SHOULDER DIAMETER | 0.780 INCHES MINIMUM AND 0.784 INCHES MAXIMUM SECOND SHOULDER |
| SHOULDER DIAMETER | 0.785 INCHES MINIMUM AND 0.790 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER SHAPE | ROUND SECOND SHOULDER |
| SHOULDER SHAPE | RIBBED FIRST SHOULDER |
| SHOULDER LENGTH | 0.260 INCHES NOMINAL SECOND SHOULDER |
| SHOULDER LENGTH | 0.740 INCHES NOMINAL FIRST SHOULDER |
| THREAD DIRECTION | LEFT-HAND |
| THREAD LENGTH | 1.060 INCHES MINIMUM |
| THREAD QUANTITY PER INCH | 16 |
| THREAD SERIES DESIGNATOR | UNF |