| NOMINAL THREAD DIAMETER | 5.0 MILLIMETERS |
| WIDTH ACROSS FLATS | 4.0 MILLIMETERS MINIMUM AND 4.1 MILLIMETERS MAXIMUM |
| WIDTH BETWEEN FLATS | 8.3 MILLIMETERS MINIMUM AND 8.5 MILLIMETERS MAXIMUM |
| SURFACE TREATMENT | ZINC AND CHROMATE OVERALL |
| THREAD CLASS | 4G6G |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 22.0 MILLIMETERS MINIMUM AND 25.0 MILLIMETERS MAXIMUM |
| THREAD SERIES DESIGNATOR | M |
| THREAD PITCH IN MILLIMETERS | 0.8 |
| EXTERNAL THREAD TOLERANCE CLASS | 4G6G |
| FASTENER LENGTH | 25.0 MILLIMETERS NOMINAL |
| HEAD HEIGHT | 4.9 MILLIMETERS MINIMUM AND 5.0 MILLIMETERS MAXIMUM |
| HEAD STYLE | HEXAGON |
| INTERNAL DRIVE STYLE | HEXAGON |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW, CAP, SOCKET HEAD |
| PROPRIETARY CHARACTERISTICS | PACS |