| COTTER PIN HOLE DIAMETER | 0.065 INCHES MINIMUM AND 0.072 INCHES MAXIMUM FIRST HOLE |
| DISTANCE FROM COTTER PIN HOLE CENTERLINE TO NUT END | 0.087 INCHES MINIMUM AND 0.117 INCHES MAXIMUM FIRST HOLE |
| HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM |
| OVERALL LENGTH | 3.850 INCHES MINIMUM AND 3.900 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 4140 |
| NOMINAL THREAD SIZE | 0.312 INCHES NUT THREAD |
| NOMINAL THREAD SIZE | 0.312 INCHES STUD THREAD |
| SHOULDER DIAMETER | 0.436 INCHES MINIMUM AND 0.437 INCHES MAXIMUM |
| SHOULDER LENGTH | 3.310 INCHES MINIMUM AND 3.320 INCHES MAXIMUM |
| SPECIAL FEATURES | COTTER PIN HOLE ON BOTH ENDS |
| STUD END SHANK DIAMETER | 0.244 INCHES MINIMUM AND 0.249 INCHES MAXIMUM |
| STYLE DESIGNATOR | SHOULDERED |
| SURFACE FINISH | 8.0 MICROINCHES SHANK |
| SURFACE TREATMENT | CHROMIUM OVERALL |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND STUD THREAD |
| THREAD LENGTH | 0.206 INCHES MINIMUM AND 0.227 INCHES MAXIMUM NUT THREAD |
| THREAD LENGTH | 0.206 INCHES MINIMUM AND 0.227 INCHES MAXIMUM STUD THREAD |
| THREAD CLASS | 3A NUT THREAD |
| THREAD CLASS | 3A STUD THREAD |
| THREAD SERIES DESIGNATOR | UNF NUT THREAD |
| THREAD SERIES DESIGNATOR | UNF STUD THREAD |
| THREAD QUANTITY PER INCH | 24 NUT THREAD |
| THREAD QUANTITY PER INCH | 24 STUD THREAD |