| MATERIAL | STEEL COMP 8740 |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE |
| SURFACE TREATMENT | CADMIUM OVERALL |
| OVERALL LENGTH | 1.641 INCHES NOMINAL |
| THREAD SERIES DESIGNATOR | UNF NUT THREAD |
| UNS STUD THREAD |
| NOMINAL THREAD SIZE | 0.312 INCHES NUT THREAD |
| 0.312 INCHES STUD THREAD |
| THREAD CLASS | 2A NUT THREAD |
| THREAD QUANTITY PER INCH | 24 NUT THREAD |
| 18 STUD THREAD |
| THREAD PITCH DIAMETERS | 0.2804 TO 0.2830 INCHES STUD THREAD |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| RIGHT-HAND STUD THREAD |
| THREAD LENGTH | 0.500 INCHES MINIMUM NUT THREAD |
| 0.625 INCHES MINIMUM STUD THREAD |
| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND |
| 32.0 ROCKWELL C MAXIMUM |
| DISTANCE FROM COTTER PIN HOLE CENTERLINE TO NUT END | 0.105 INCHES MINIMUM AND |
| 0.113 INCHES MAXIMUM FIRST HOLE |
| COTTER PIN HOLE DIAMETER | 0.076 INCHES NOMINAL FIRST HOLE |