| MATERIAL | STEEL OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | FM100 D60 TYPE 1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | ZINC OVERALL |
| CENTER HOLE SHAPE STYLE | ROUND |
| HOLE DIAMETER | 6.40 MILLIMETERS MINIMUM AND |
| 6.62 MILLIMETERS MAXIMUM |
| PERIPHERAL SHAPE STYLE | ROUND |
| OVERALL DIAMETER | 11.57 MILLIMETERS MINIMUM AND |
| 12.00 MILLIMETERS MAXIMUM |
| CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| THICKNESS | 1.4 MILLIMETERS MINIMUM AND |
| 1.8 MILLIMETERS MAXIMUM |
| COLOR | YELLOW OVERALL |
| SPECIAL FEATURES | WASHER COULD BE PLAIN OR YELLOW ZINC FINISH |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | WASH, FLT TAB METRIC MB |