| DIAMETER OF RECESSED PORTION OF SHANK | 0.141 INCHES MINIMUM AND 0.146 INCHES MAXIMUM |
| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| LENGTH OF RECESSED PORTION OF SHANK | 0.080 INCHES MINIMUM AND 0.120 INCHES MAXIMUM |
| OVERALL LENGTH | 0.680 INCHES MINIMUM AND 0.710 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL |
| NOMINAL THREAD SIZE | 0.164 INCHES NUT THREAD |
| NOMINAL THREAD SIZE | 0.164 INCHES STUD THREAD |
| SPECIAL FEATURES | LOCK THDS IN STUD END |
| STYLE DESIGNATOR | RECESSED |
| 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 | 0.320 INCHES MINIMUM AND 0.330 INCHES MAXIMUM STUD THREAD |
| THREAD LENGTH | 0.270 INCHES MINIMUM NUT THREAD |
| THREAD QUANTITY PER INCH | 32 NUT THREAD |
| THREAD QUANTITY PER INCH | 32 STUD THREAD |
| THREAD PITCH DIAMETERS | +0.1396 TO 0.1410 INCHES STUD THREAD |
| THREAD SERIES DESIGNATOR | UNC NUT THREAD |
| THREAD SERIES DESIGNATOR | UNS STUD THREAD |