| CENTER HOLE SHAPE STYLE | ROUND |
| CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| HOLE DIAMETER | 0.312 INCHES MINIMUM AND 0.314 INCHES MAXIMUM |
| MATERIAL | ALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 2014 OR ALUMINUM ALLOY 2017 BODY |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | WASHER, SPECIAL |
| PERIPHERAL SHAPE STYLE | ROUND |
| PROPRIETARY CHARACTERISTICS | PACS |
| OVERALL DIAMETER | 0.307 INCHES MINIMUM AND 0.332 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541, CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE BODY |
| SURFACE TREATMENT | CHROMATE BODY |
| THICKNESS | 0.027 INCHES MINIMUM AND 0.037 INCHES MAXIMUM |