| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.750 INCHES |
| THREAD QUANTITY PER INCH | 16 |
| NONSTANDARD THREAD PITCH DIAMETER | 0.7054 TO 0.7094 INCHES |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.000 INCHES MINIMUM |
| FASTENER LENGTH | 2.469 INCHES NOMINAL |
| MATERIAL | STEEL COMP 3120 OR |
| STEEL COMP 8720 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD ALL MATERIAL RESPONSES OR |
| SAE ASSN STD ALL MATERIAL RESPONSES OVERALL |
| SURFACE TREATMENT | CADMIUM AND |
| CHROMATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| HARDNESS RATING | 18.0 ROCKWELL C MINIMUM AND |
| 28.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD STYLE | FLAT CHAMFER |
| HEAD DIAMETER | 1.188 INCHES MINIMUM |
| HEAD HEIGHT | 0.312 INCHES NOMINAL |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| SHOULDER DIAMETER | 0.835 INCHES MINIMUM AND |
| 0.870 INCHES MINIMUM FIRST SHOULDER |
| SHOULDER LENGTH | 0.906 INCHES NOMINAL FIRST SHOULDER |
| RIB QUANTITY | 25 |
| RIB MAJOR DIAMETER | 0.870 INCHES MINIMUM AND |
| 0.880 INCHES MAXIMUM |
| RIB LENGTH | 0.781 INCHES NOMINAL |
| DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS | 0.125 INCHES NOMINAL |
| FEATURES PROVIDED | CASEHARDENED |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 78500 |
| DESIGN CONTROL REFERENCE | 20X674 |