| CENTER HOLE SHAPE STYLE | ROUND |
| CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| HOLE DIAMETER | 0.381 INCHES MINIMUM AND 0.401 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5604 AEROSPACE MATERIAL SPEC STD SINGLE MATERIAL RESPONSE OVERALL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | WASHER - FLAT, METAL, SPECIAL |
| PERIPHERAL SHAPE STYLE | ROUND |
| MATERIAL | STEEL OVERALL |
| OVERALL DIAMETER | 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS2700 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | UNABLE TO DECODE |
| THICKNESS | 0.090 INCHES NOMINAL |