| COLOR | BLACK OVERALL |
| FASTENER LENGTH | 89.3 MILLIMETERS MINIMUM AND 90.7 MILLIMETERS MAXIMUM |
| HEAD DIAMETER | 9.78 MILLIMETERS MINIMUM AND 10.95 MILLIMETERS MAXIMUM |
| HEAD HEIGHT | 6.5 MILLIMETERS NOMINAL |
| HEAD STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | STD 7121.11 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | FLANGE SCREW |
| MATERIAL | STEEL OVERALL |
| SPECIAL FEATURES | M-THREADS; STEEL, PROPERTY CLASS 8.8; TREATED Y 1000-4, COLOR BLACK; NORMAL WIDTHS ACROSS FLATS; SURFACE TREATMENT IAW STD 121-0003 |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | STD 121-0003 FED STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | UNABLE TO DECODE |
| THREAD CLASS | 6E |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 22.0 MILLIMETERS NOMINAL |
| THREAD SERIES DESIGNATOR | M |