| CROSS-SECTIONAL SHAPE | HEXAGON | 
| LEFT PROJECTION DIAMETER | 0.246 INCHES MINIMUM AND 0.248 INCHES MAXIMUM | 
| LEFT PROJECTION LENGTH | 0.647 INCHES MINIMUM AND 0.651 INCHES MAXIMUM | 
| LENGTH | 0.294 INCHES MINIMUM AND 0.298 INCHES MAXIMUM | 
| PART NAME ASSIGNED BY CONTROLLING AGENCY | STAND-OFF, DRIVE ROLL CARRIER | 
| PROPRIETARY CHARACTERISTICS | PACS | 
| NOMINAL THREAD SIZE | 0.312 INCHES LEFT EXTERNAL | 
| NOMINAL THREAD SIZE | 0.138 INCHES RIGHT EXTERNAL | 
| RIGHT PROJECTION DIAMETER | 0.312 INCHES NOMINAL | 
| RIGHT PROJECTION LENGTH | 0.375 INCHES NOMINAL | 
| WIDTH ACROSS FLATS | 0.438 INCHES NOMINAL | 
| STYLE DESIGNATOR | LEFT INTERNAL AND RIGHT EXTERNAL THREAD | 
| THREAD CLASS | 2A LEFT EXTERNAL | 
| THREAD CLASS | 2B RIGHT EXTERNAL | 
| THREAD DIRECTION | RIGHT-HAND LEFT EXTERNAL | 
| THREAD DIRECTION | RIGHT-HAND RIGHT EXTERNAL | 
| THREAD QUANTITY PER INCH | 24 LEFT EXTERNAL | 
| THREAD QUANTITY PER INCH | 32 RIGHT EXTERNAL | 
| THREAD SERIES DESIGNATOR | UNC RIGHT EXTERNAL | 
| THREAD SERIES DESIGNATOR | UNF LEFT EXTERNAL |