| MATERIAL | STEEL OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | ZINC OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-Z-325 CL 3 TY 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| CROSS-SECTIONAL SHAPE | HEXAGON |
| WIDTH ACROSS FLATS | 0.375 INCHES NOMINAL |
| STYLE DESIGNATOR | LEFT INTERNAL AND RIGHT EXTERNAL THREAD |
| LENGTH | 1.188 INCHES NOMINAL |
| RIGHT PROJECTION DIAMETER | 0.190 INCHES NOMINAL |
| RIGHT PROJECTION LENGTH | 0.375 INCHES NOMINAL |
| THREAD SERIES DESIGNATOR | UNF LEFT INTERNAL (INCLUDES THRU THREAD) |
| UNF RIGHT EXTERNAL |
| NOMINAL THREAD SIZE | 0.190 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) |
| 0.190 INCHES RIGHT EXTERNAL |
| THREAD QUANTITY PER INCH | 32 LEFT INTERNAL (INCLUDES THRU THREAD) |
| 32 RIGHT EXTERNAL |
| THREAD CLASS | 3B LEFT INTERNAL (INCLUDES THRU THREAD) |
| 3A RIGHT EXTERNAL |
| THREAD DIRECTION | RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD) |
| RIGHT-HAND RIGHT EXTERNAL |
| THREAD LENGTH | 0.375 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) |
| 0.500 INCHES NOMINAL RIGHT EXTERNAL |