| DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS | 0.840 INCHES NOMINAL |
| FASTENER LENGTH | 3.000 INCHES NOMINAL |
| HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD HEIGHT | 0.310 INCHES NOMINAL |
| HEAD DIAMETER | 1.170 INCHES MINIMUM AND 1.180 INCHES MAXIMUM |
| HEAD STYLE | FLAT CHAMFER |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-624 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | STEEL COMP 4140 OR STEEL COMP 5140H OR STEEL COMP 8740 OVERALL |
| NOMINAL THREAD DIAMETER | 0.750 INCHES |
| RIB LENGTH | 0.740 INCHES NOMINAL |
| RIB MAJOR DIAMETER | 0.870 INCHES MINIMUM AND 0.880 INCHES MAXIMUM |
| RIB MINOR DIAMETER | 0.835 INCHES MINIMUM AND 0.845 INCHES MAXIMUM |
| RIB QUANTITY | 25 |
| SHOULDER DIAMETER | 0.870 INCHES MINIMUM AND 0.880 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER SHAPE | RIBBED FIRST SHOULDER |
| SHOULDER LENGTH | 0.840 INCHES NOMINAL FIRST SHOULDER |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,CL 1 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 2A |
| THREAD LENGTH | 1.470 INCHES MINIMUM |
| THREAD SERIES DESIGNATOR | UNF |
| THREAD QUANTITY PER INCH | 16 |