| MATERIAL | STEEL CORROSION RESISTING OVERALL | 
| PART NAME ASSIGNED BY CONTROLLING AGENCY | STANDOFF,M-F HEX | 
| PROPRIETARY CHARACTERISTICS | PACS | 
| NOMINAL THREAD SIZE | 0.138 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) | 
| NOMINAL THREAD SIZE | 0.190 INCHES RIGHT EXTERNAL | 
| RIGHT PROJECTION DIAMETER | 0.190 INCHES NOMINAL | 
| RIGHT PROJECTION LENGTH | 0.250 INCHES NOMINAL | 
| SPECIAL FEATURES | MATERIAL IS 18-8 STAINLESS STEEL | 
| WIDTH ACROSS FLATS | 0.250 INCHES NOMINAL | 
| STYLE DESIGNATOR | LEFT INTERNAL AND RIGHT EXTERNAL THREAD | 
| THREAD CLASS | 3B RIGHT EXTERNAL | 
| THREAD CLASS | 3B LEFT INTERNAL (INCLUDES THRU THREAD) | 
| THREAD DIRECTION | RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD) | 
| THREAD DIRECTION | RIGHT-HAND RIGHT EXTERNAL | 
| THREAD LENGTH | 0.250 INCHES NOMINAL RIGHT EXTERNAL | 
| THREAD QUANTITY PER INCH | 32 LEFT INTERNAL (INCLUDES THRU THREAD) | 
| THREAD QUANTITY PER INCH | 32 RIGHT EXTERNAL | 
| THREAD SERIES DESIGNATOR | UNC LEFT INTERNAL (INCLUDES THRU THREAD) | 
| THREAD SERIES DESIGNATOR | UNC RIGHT EXTERNAL | 
| CROSS-SECTIONAL SHAPE | HEXAGON | 
| LENGTH | 2.538 INCHES NOMINAL |