| CENTER HOLE SHAPE STYLE | ROUND |
| CROSS-SECTIONAL SHAPE STYLE | BLANK RECTANGULAR |
| HOLE DIAMETER | 0.458 INCHES MINIMUM AND 0.478 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 4130 OR STEEL COMP 4140 OR STEEL COMP 8640 OVERALL |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | WASHER FLAT METAL, ROUND, HARDENED |
| PERIPHERAL SHAPE STYLE | ROUND |
| PROPRIETARY CHARACTERISTICS | PACS |
| OVERALL DIAMETER | 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM |
| THICKNESS | 0.243 INCHES MINIMUM AND 0.257 INCHES MAXIMUM |