| HARDNESS RATING | 37.0 ROCKWELL C NOMINAL OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD SINGLE MATERIAL RESPONSE OR MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4130 OVERALL |
| MINIMUM TENSILE STRENGTH | 166700 POUNDS PER SQUARE INCH |
| MINIMUM YIELD STRENGTH | 152000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 1.125 INCHES |
| RING STOCK DIAMETER | 0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.984 INCHES MINIMUM AND 1.016 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNF |
| THREAD QUANTITY PER INCH | 12 |