| CENTER HOLE SHAPE STYLE | ROUND |
| CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| HOLE DIAMETER | 0.133 INCHES MINIMUM AND 0.151 INCHES MAXIMUM |
| OVERALL DIAMETER | 0.430 INCHES MINIMUM AND 0.450 INCHES MAXIMUM |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | WASHER, FLAT |
| PERIPHERAL SHAPE STYLE | ROUND |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THICKNESS | 0.033 INCHES MINIMUM AND 0.047 INCHES MAXIMUM |