| CENTER HOLE SHAPE STYLE | ROUND |
| CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| HOLE DIAMETER | 0.253 INCHES MINIMUM AND 0.273 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS3670/1 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| MATERIAL | PLASTIC POLYAMIDE BODY |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | WASHER, SPECIAL |
| PERIPHERAL SHAPE STYLE | ROUND |
| PROPRIETARY CHARACTERISTICS | PACS |
| OVERALL DIAMETER | 0.495 INCHES MINIMUM AND 0.520 INCHES MAXIMUM |
| THICKNESS | 0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM |