| CENTER HOLE SHAPE STYLE | ROUND |
| CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| HOLE DIAMETER | 1.375 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OR A 5737 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 | 2.495 INCHES MINIMUM AND 2.520 INCHES MAXIMUM |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THICKNESS | 0.027 INCHES MINIMUM AND 0.037 INCHES MAXIMUM |