| COTTER PIN HOLE DIAMETER | 0.055 INCHES NOMINAL FIRST HOLE |
| DISTANCE FROM COTTER PIN HOLE CENTERLINE TO NUT END | 0.110 INCHES NOMINAL FIRST HOLE |
| HARDNESS RATING | 28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM |
| OVERALL LENGTH | 0.940 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL COMP 4140 |
| NOMINAL THREAD SIZE | 0.216 INCHES NUT THREAD |
| NOMINAL THREAD SIZE | 0.216 INCHES STUD THREAD |
| SURFACE FINISH | 50.0 MICROINCHES OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3A NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND STUD THREAD |
| THREAD LENGTH | 0.410 INCHES MINIMUM NUT THREAD |
| THREAD LENGTH | 0.440 INCHES MINIMUM STUD THREAD |
| THREAD PITCH DIAMETERS | +0.2048 TO 0.2063 INCHES STUD THREAD |
| THREAD QUANTITY PER INCH | 28 NUT THREAD |
| THREAD QUANTITY PER INCH | 28 STUD THREAD |
| THREAD SERIES DESIGNATOR | UNC STUD THREAD |
| THREAD SERIES DESIGNATOR | UNF NUT THREAD |