| CENTER HOLE SHAPE STYLE | ROUND |
| CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| HOLE DIAMETER | 4.503 INCHES MINIMUM AND 4.523 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5525 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | IRON ALLOY 660 OVERALL |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | WASHER, SPECIAL |
| PERIPHERAL SHAPE STYLE | ROUND |
| PROPRIETARY CHARACTERISTICS | PACS |
| OVERALL DIAMETER | 4.995 INCHES MINIMUM AND 5.020 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS-QQ-P-35 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THICKNESS | 0.044 INCHES MINIMUM AND 0.054 INCHES MAXIMUM |