| MATERIAL | ALUMINUM OVERALL |
| CROSS-SECTIONAL SHAPE | HEXAGON |
| WIDTH ACROSS FLATS | 4.5 MILLIMETERS NOMINAL |
| STYLE DESIGNATOR | LEFT INTERNAL AND RIGHT EXTERNAL THREAD |
| LENGTH | 23.0 MILLIMETERS NOMINAL |
| RIGHT PROJECTION DIAMETER | 4.5 MILLIMETERS NOMINAL |
| RIGHT PROJECTION LENGTH | 3.97 MILLIMETERS NOMINAL |
| THREAD SERIES DESIGNATOR | M LEFT INTERNAL (INCLUDES THRU THREAD) |
| M RIGHT EXTERNAL |
| NOMINAL THREAD SIZE | 2.5 MILLIMETERS LEFT INTERNAL (INCLUDES THRU THREAD) |
| 2.5 MILLIMETERS RIGHT EXTERNAL |
| THREAD PITCH IN MILLIMETERS | 0.45 LEFT INTERNAL (INCLUDES THRU THREAD) |
| 0.45 RIGHT EXTERNAL |
| THREAD PITCH DIAMETERS | 2.013 TO 2.208 MILLIMETERS LEFT INTERNAL (INCLUDES THRU THREAD) |
| 1.948 TO 2.208 MILLIMETERS RIGHT EXTERNAL |
| THREAD DIRECTION | RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD) |
| RIGHT-HAND RIGHT EXTERNAL |
| THREAD LENGTH | 4.8 MILLIMETERS MINIMUM LEFT INTERNAL (INCLUDES THRU THREAD) |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | STANDOFF, MALE, FEMALE, HEX |