| FASTENER LENGTH | 40.5 MILLIMETERS MINIMUM AND 45.5 MILLIMETERS MAXIMUM |
| HARDNESS RATING | 39.0 ROCKWELL C MINIMUM OVERALL |
| HEAD DIAMETER | 21.50 MILLIMETERS MINIMUM AND 26.50 MILLIMETERS MAXIMUM |
| HEAD HEIGHT | 8.50 MILLIMETERS MINIMUM AND 13.50 MILLIMETERS MAXIMUM |
| HEAD STYLE | PAN NO. 2 |
| INTERNAL DRIVE STYLE | HEXAGON |
| MATERIAL | STEEL OVERALL |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW, SHOULDER, SOCKET |
| PROPRIETARY CHARACTERISTICS | PACS |
| MINIMUM TENSILE STRENGTH | 159500 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 12.0 MILLIMETERS |
| SINGLE SHEAR STRENGTH | 95700 POUNDS PER SQUARE INCH |
| WIDTH ACROSS FLATS | 5.5 MILLIMETERS MINIMUM AND 10.5 MILLIMETERS MAXIMUM |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES DESIGNATOR | M |
| THREAD PITCH IN MILLIMETERS | 1.75 |