| PROPRIETARY CHARACTERISTICS | PACS |
| MINIMUM TENSILE STRENGTH | 145000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 12.0 MILLIMETERS |
| WIDTH ACROSS FLATS | 8.03 MILLIMETERS MINIMUM AND 8.18 MILLIMETERS MAXIMUM |
| SURFACE TREATMENT | OXIDE OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 24.75 MILLIMETERS NOMINAL |
| THREAD SERIES DESIGNATOR | M |
| THREAD PITCH IN MILLIMETERS | 1.75 |
| COLOR | BLACK OVERALL |
| COUNTERSINK ANGLE | 90.0 DEGREES NOMINAL |
| FASTENER LENGTH | 24.75 MILLIMETERS NOMINAL |
| HEAD DIAMETER | 23.48 MILLIMETERS MINIMUM AND 24.00 MILLIMETERS MAXIMUM |
| HEAD HEIGHT | 4.30 MILLIMETERS MINIMUM AND 4.60 MILLIMETERS MAXIMUM |
| HEAD STYLE | FLAT COUNTERSUNK |
| INTERNAL DRIVE STYLE | HEXAGON |
| MATERIAL | STEEL PROPERTY CLASS 10.9 OVERALL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW, SFHS METRIC CL 10.9 BLK OX |