| MATERIAL | STEEL CORROSION RESISTING OVERALL | 
| CROSS-SECTIONAL SHAPE | HEXAGON | 
| WIDTH ACROSS FLATS | 0.250 INCHES NOMINAL | 
| STYLE DESIGNATOR | LEFT INTERNAL AND RIGHT EXTERNAL THREAD | 
| LENGTH | 0.500 INCHES NOMINAL | 
| RIGHT PROJECTION DIAMETER | 0.112 INCHES NOMINAL | 
| RIGHT PROJECTION LENGTH | 0.250 INCHES NOMINAL | 
| THREAD SERIES DESIGNATOR | UNC RIGHT INTERNAL | 
 | UNC LEFT EXTERNAL | 
| NOMINAL THREAD SIZE | 0.1120 INCHES RIGHT INTERNAL | 
 | 0.1120 INCHES LEFT EXTERNAL | 
| THREAD QUANTITY PER INCH | 40 RIGHT INTERNAL | 
 | 40 LEFT EXTERNAL | 
| THREAD CLASS | 2B RIGHT INTERNAL | 
 | 2A LEFT EXTERNAL | 
| THREAD DIRECTION | RIGHT-HAND RIGHT INTERNAL | 
 | RIGHT-HAND LEFT EXTERNAL | 
| THREAD LENGTH | 0.250 INCHES NOMINAL RIGHT INTERNAL | 
 | 0.250 INCHES NOMINAL LEFT EXTERNAL | 
| PART NAME ASSIGNED BY CONTROLLING AGENCY | MALE/FEMALE THREADED STANDOFF |