| HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM |
| OVERALL LENGTH | 8.120 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A322 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A331 ASSN STD SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL COMP 4340 |
| NOMINAL THREAD SIZE | 1.000 INCHES NUT THREAD |
| NOMINAL THREAD SIZE | 1.000 INCHES STUD THREAD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL3 FED SPEC 1ST TREATMENT RESPONSE OR ASTM B633,TY 2,CL FE/ZN 8 ASSN STD 2ND TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OR ZINC 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 NOMINAL STUD THREAD |
| THREAD LENGTH | 1.380 INCHES NOMINAL NUT THREAD |
| THREAD QUANTITY PER INCH | 8 STUD THREAD |
| THREAD QUANTITY PER INCH | 8 NUT THREAD |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) NUT THREAD |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) STUD THREAD |