| CENTER HOLE SHAPE STYLE | ROUND |
| CROSS-SECTIONAL SHAPE STYLE | BLANK RECTANGULAR |
| HOLE DIAMETER | 0.526 INCHES MINIMUM AND 0.546 INCHES MAXIMUM |
| OVERALL DIAMETER | 0.993 INCHES MINIMUM AND 1.015 INCHES MAXIMUM |
| MATERIAL | STEEL OVERALL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | WASHER PLAIN TYPE B PLAIN SIZE |
| PERIPHERAL SHAPE STYLE | ROUND |
| SURFACE TREATMENT | ZINC AND CHROMATE OVERALL |
| THICKNESS | 0.056 INCHES MINIMUM AND 0.071 INCHES MAXIMUM |