| HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM |
| OVERALL LENGTH | 0.640 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6370 ASSN STD SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL COMP 4130 |
| NOMINAL THREAD SIZE | 0.138 INCHES LOCATION NOT OTHERWISE SPECIFIED |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | HS74, CAGE73030 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3A LOCATION NOT OTHERWISE SPECIFIED |
| THREAD DIRECTION | RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED |
| THREAD QUANTITY PER INCH | 32 LOCATION NOT OTHERWISE SPECIFIED |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) LOCATION NOT OTHERWISE SPECIFIED |