| MATERIAL | STEEL OVERALL |
| SURFACE TREATMENT | ZINC AND |
| CHROMATE OVERALL |
| CROSS-SECTIONAL SHAPE | HEXAGON |
| WIDTH ACROSS FLATS | 0.25 INCHES NOMINAL |
| STYLE DESIGNATOR | LEFT INTERNAL AND RIGHT EXTERNAL THREAD |
| LENGTH | 1.5 INCHES NOMINAL |
| RIGHT PROJECTION DIAMETER | 0.3125 INCHES NOMINAL |
| RIGHT PROJECTION LENGTH | 0.375 INCHES NOMINAL |
| NOMINAL THREAD SIZE | 0.3125 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) |
| 0.3125 INCHES RIGHT EXTERNAL |
| THREAD QUANTITY PER INCH | 32 LEFT INTERNAL (INCLUDES THRU THREAD) |
| 32 RIGHT EXTERNAL |
| THREAD LENGTH | 0.5 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) |
| 0.375 INCHES NOMINAL RIGHT EXTERNAL |
| SPECIFICATION/STANDARD DATA | 81346-ASTM B633 TYPE 1; QQ-S-633 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | MALE/FEMALE CIRCUIT BOARD STANDOFF |