| CENTER HOLE SHAPE STYLE | ROUND |
| COLOR | BLACK OVERALL |
| CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| HOLE DIAMETER | 22.00 MILLIMETERS MINIMUM AND 22.52 MILLIMETERS MAXIMUM |
| OVERALL DIAMETER | 58.10 MILLIMETERS MINIMUM AND 60.00 MILLIMETERS MAXIMUM |
| MATERIAL | STEEL OVERALL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | WASHER, FLAT M20 X 60 X 4.0 MB |
| PERIPHERAL SHAPE STYLE | ROUND |
| SURFACE TREATMENT | PHOSPHATE AND ZINC OVERALL |
| THICKNESS | 3.4 MILLIMETERS MINIMUM AND 4.6 MILLIMETERS MAXIMUM |