| HARDNESS RATING | 56.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM |
| OVERALL LENGTH | 5.750 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AISI 1018 ASSN STD SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL COMP 1018 |
| NOMINAL THREAD SIZE | 0.562 INCHES NUT THREAD |
| NOMINAL THREAD SIZE | 0.562 INCHES STUD THREAD |
| SHOULDER DIAMETER | 0.747 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
| SHOULDER LENGTH | 3.515 INCHES MINIMUM AND 3.520 INCHES MAXIMUM |
| SPECIAL FEATURES | UNDER CUT IN SHOULDER STARTING 0.120 IN. FROM NUT END,0.562 IN. DIAMETER AND 0.620 IN. LENGTH |
| STYLE DESIGNATOR | SHOULDERED |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| THREAD CLASS | 2A NUT THREAD |
| THREAD CLASS | 2A STUD THREAD |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND STUD THREAD |
| THREAD LENGTH | 0.750 INCHES MINIMUM NUT THREAD |
| THREAD LENGTH | 0.790 INCHES NOMINAL STUD THREAD |
| THREAD SERIES DESIGNATOR | UNF NUT THREAD |
| THREAD SERIES DESIGNATOR | UNF STUD THREAD |
| THREAD QUANTITY PER INCH | 18 NUT THREAD |
| THREAD QUANTITY PER INCH | 18 STUD THREAD |