| THREAD LENGTH | 0.350 INCHES MINIMUM STUD THREAD AND 0.370 INCHES MAXIMUM STUD THREAD |
| THREAD LENGTH | 0.453 INCHES MINIMUM NUT THREAD |
| THREAD QUANTITY PER INCH | 20 STUD THREAD |
| THREAD QUANTITY PER INCH | 32 NUT THREAD |
| THREAD SERIES DESIGNATOR | UNC STUD THREAD |
| THREAD SERIES DESIGNATOR | UNF NUT THREAD |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OR BS HR650 FSCM K2523 NATIONAL SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | IRON ALLOY 660 |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL THREAD SIZE | 0.250 INCHES STUD THREAD |
| NOMINAL THREAD SIZE | 0.190 INCHES NUT THREAD |
| OVERALL LENGTH | 1.043 INCHES NOMINAL |
| SHANK DIAMETER | 0.186 INCHES MINIMUM AND 0.189 INCHES MAXIMUM |
| STYLE DESIGNATOR | STEPPED |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | 1000/SC/00098 FSCM K2523 NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 2A NUT THREAD |
| THREAD CLASS | 2A STUD THREAD |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND STUD THREAD |