| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW, CAP, SOCKET HEAD |
| PROPRIETARY CHARACTERISTICS | PACS |
| MINIMUM TENSILE STRENGTH | 1220 MEGAPASCALS |
| MINIMUM YIELD STRENGTH | 1100 MEGAPASCALS |
| WIDTH ACROSS FLATS | 5.0 MILLIMETERS MINIMUM AND 5.1 MILLIMETERS MAXIMUM |
| SURFACE TREATMENT | ZINC AND CHROMATE OVERALL |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 22.6 MILLIMETERS MINIMUM AND 25.4 MILLIMETERS MAXIMUM |
| THREAD SERIES DESIGNATOR | M |
| EXTERNAL THREAD TOLERANCE CLASS | NTE2A |
| FASTENER LENGTH | 24.6 MILLIMETERS MINIMUM AND 25.4 MILLIMETERS MAXIMUM |
| HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD DIAMETER | 9.7 MILLIMETERS MINIMUM AND 10.0 MILLIMETERS MAXIMUM |
| HEAD HEIGHT | 5.9 MILLIMETERS MINIMUM AND 6.0 MILLIMETERS MAXIMUM |
| HEAD STYLE | FLAT FILLISTER |
| INTERNAL DRIVE STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A574M ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL PROPERTY CLASS 12.9 OVERALL |