| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| OVERALL LENGTH | 1.740 INCHES MINIMUM AND 1.760 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | EMS85010,FSCM 24617 MFR REF SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL |
| NOMINAL THREAD SIZE | 0.312 INCHES NUT THREAD |
| NOMINAL THREAD SIZE | 0.375 INCHES STUD THREAD |
| SHANK DIAMETER | 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM |
| STYLE DESIGNATOR | STEPPED |
| 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 NUT THREAD |
| THREAD LENGTH | 0.531 INCHES MINIMUM NUT THREAD |
| THREAD LENGTH | 0.625 INCHES MINIMUM STUD THREAD |
| THREAD PITCH DIAMETERS | +0.3384 TO 0.3400 INCHES STUD THREAD |
| THREAD SERIES DESIGNATOR | UNC STUD THREAD |
| THREAD SERIES DESIGNATOR | UNF NUT THREAD |
| THREAD QUANTITY PER INCH | 16 STUD THREAD |
| THREAD QUANTITY PER INCH | 24 NUT THREAD |