| MATERIAL | STEEL PROPERTY CLASS 10.9 OVERALL |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | SCR, BTN SOC TAB M5 C10.9 |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL THREAD DIAMETER | 5.0 MILLIMETERS |
| WIDTH ACROSS FLATS | 3.02 MILLIMETERS MINIMUM AND 3.07 MILLIMETERS MAXIMUM |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 28.4 MILLIMETERS NOMINAL |
| THREAD SERIES DESIGNATOR | M |
| THREAD PITCH IN MILLIMETERS | 0.8 |
| EXTERNAL THREAD TOLERANCE CLASS | 6G |
| FASTENER LENGTH | 30.0 MILLIMETERS NOMINAL |
| HEAD DIAMETER | 9.14 MILLIMETERS MINIMUM AND 9.50 MILLIMETERS MAXIMUM |
| HEAD HEIGHT | 2.50 MILLIMETERS MINIMUM AND 2.75 MILLIMETERS MAXIMUM |
| HEAD STYLE | BUTTON |
| INTERNAL DRIVE STYLE | HEXAGON |