| COTTER PIN HOLE DIAMETER | 0.107 INCHES MINIMUM AND 0.114 INCHES MAXIMUM FIRST HOLE |
| DIAMETER OF RECESSED PORTION OF SHANK | 0.325 INCHES MINIMUM AND 0.335 INCHES MAXIMUM |
| DISTANCE ACROSS FLATS | 0.365 INCHES MINIMUM AND 0.377 INCHES MAXIMUM |
| DISTANCE FROM COTTER PIN HOLE CENTERLINE TO NUT END | 8.110 INCHES MINIMUM AND 8.140 INCHES MAXIMUM SECOND HOLE |
| DISTANCE FROM COTTER PIN HOLE CENTERLINE TO NUT END | 8.110 INCHES MINIMUM AND 8.140 INCHES MAXIMUM FIRST HOLE |
| HARDNESS RATING | 34.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM |
| LENGTH OF RECESSED PORTION OF SHANK | 4.750 INCHES MINIMUM AND 4.890 INCHES MAXIMUM |
| OVERALL LENGTH | 8.250 INCHES MINIMUM AND 8.270 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 6327 ASSN STD SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL COMP 8740 |
| NOMINAL THREAD SIZE | 0.438 INCHES NUT THREAD |
| NOMINAL THREAD SIZE | 0.438 INCHES STUD THREAD |
| STYLE DESIGNATOR | RECESSED |
| SURFACE FINISH | 64.0 MICROINCHES SHANK |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND STUD THREAD |
| THREAD CLASS | 3A STUD THREAD |
| THREAD LENGTH | 0.660 INCHES MINIMUM AND 0.780 INCHES MAXIMUM STUD THREAD |
| THREAD LENGTH | 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM NUT THREAD |
| THREAD QUANTITY PER INCH | 14 NUT THREAD |
| THREAD QUANTITY PER INCH | 20 STUD THREAD |
| THREAD SERIES DESIGNATOR | UNF STUD THREAD |
| THREAD SERIES DESIGNATOR | WHITWORTH NUT THREAD |