| CROSS-SECTIONAL SHAPE | HEXAGON |
| LENGTH | 1.995 INCHES MINIMUM AND 2.005 INCHES MAXIMUM |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | ALUMINUM FEMALE THREADED HEX STANDOFF |
| MATERIAL | ALUMINUM OVERALL |
| NOMINAL THREAD SIZE | 0.25 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) |
| NOMINAL THREAD SIZE | 0.25 INCHES RIGHT INTERNAL |
| WIDTH ACROSS FLATS | 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM |
| STYLE DESIGNATOR | LEFT INTERNAL AND RIGHT INTERNAL THREADS |
| THREAD CLASS | 2B LEFT INTERNAL (INCLUDES THRU THREAD) |
| THREAD CLASS | 2B RIGHT INTERNAL |
| THREAD DIRECTION | RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD) |
| THREAD DIRECTION | RIGHT-HAND RIGHT INTERNAL |
| THREAD LENGTH | 0.625 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) |
| THREAD LENGTH | 0.625 INCHES NOMINAL RIGHT INTERNAL |
| THREAD QUANTITY PER INCH | 20 LEFT INTERNAL (INCLUDES THRU THREAD) |
| THREAD QUANTITY PER INCH | 20 RIGHT INTERNAL |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) LEFT INTERNAL (INCLUDES THRU THREAD) |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) RIGHT INTERNAL |