| COTTER PIN HOLE DIAMETER | 0.073 INCHES MINIMUM AND 0.082 INCHES MAXIMUM FIRST HOLE |
| DISTANCE FROM COTTER PIN HOLE CENTERLINE TO NUT END | 0.203 INCHES NOMINAL FIRST HOLE |
| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| OVERALL LENGTH | 1.407 INCHES MINIMUM AND 1.469 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A322 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A331 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A322 ASSN STD 2ND MATERIAL RESPONSE OR ASTM A331 ASSN STD 2ND MATERIAL RESPONSE OR ASTM A322 ASSN STD 3RD MATERIAL RESPONSE OR ASTM A331 ASSN STD 3RD MATERIAL RESPONSE OR SAE ASSN STD 4TH MATERIAL RESPONSE OR SAE ASSN STD 5TH MATERIAL RESPONSE |
| MATERIAL | STEEL COMP 8740 OR STEEL COMP 8640 OR STEEL COMP 4140 OR STEEL COMP 8742H OR STEEL COMP 8642 |
| NOMINAL THREAD SIZE | 0.312 INCHES NUT THREAD |
| NOMINAL THREAD SIZE | 0.312 INCHES STUD THREAD |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND STUD THREAD |
| THREAD CLASS | 2A NUT THREAD |
| THREAD LENGTH | 0.625 INCHES MINIMUM NUT THREAD |
| THREAD LENGTH | 0.562 INCHES MINIMUM STUD THREAD |
| THREAD QUANTITY PER INCH | 18 STUD THREAD |
| THREAD QUANTITY PER INCH | 24 NUT THREAD |
| THREAD PITCH DIAMETERS | +0.2820 TO 0.2832 INCHES STUD THREAD |
| THREAD SERIES DESIGNATOR | UNF NUT THREAD |
| THREAD SERIES DESIGNATOR | UNS STUD THREAD |