| COTTER PIN HOLE DIAMETER | 0.065 INCHES MINIMUM AND 0.072 INCHES MAXIMUM FIRST HOLE |
| DISTANCE FROM COTTER PIN HOLE CENTERLINE TO NUT END | 1.280 INCHES MINIMUM AND 1.320 INCHES MAXIMUM FIRST HOLE |
| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| OVERALL LENGTH | 1.420 INCHES MINIMUM AND 1.460 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A322 ASSN STD ALL MATERIAL RESPONSES OR ASTM A331 ASSN STD ALL MATERIAL RESPONSES |
| MATERIAL | STEEL COMP 4140 OR STEEL COMP 8640 OR STEEL COMP 8740 |
| NOMINAL THREAD SIZE | 0.375 INCHES NUT THREAD |
| NOMINAL THREAD SIZE | 0.375 INCHES STUD THREAD |
| SPECIAL FEATURES | 0.060IN TO 0.120IN RADIUS ON UNTHREAD PORTION |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 2A NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND STUD THREAD |
| THREAD LENGTH | 0.560 INCHES MINIMUM NUT THREAD |
| THREAD LENGTH | 0.700 INCHES MINIMUM STUD THREAD |
| THREAD QUANTITY PER INCH | 16 STUD THREAD |
| THREAD QUANTITY PER INCH | 24 NUT THREAD |
| THREAD SERIES DESIGNATOR | UNC STUD THREAD |
| THREAD SERIES DESIGNATOR | UNF NUT THREAD |