| CENTER HOLE SHAPE STYLE | ROUND |
| CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| HOLE DIAMETER | 0.318 INCHES MINIMUM AND 0.338 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS-QQ-A-250/5,T3 OR T4 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | ALUMINUM ALLOY 2024 OVERALL |
| OVERALL DIAMETER | 0.560 INCHES MINIMUM AND 0.580 INCHES MAXIMUM |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | WASHER,FLAT,MISCELLANEOUS |
| PERIPHERAL SHAPE STYLE | ROUND |
| SPECIFICATION/STANDARD DATA | 81205-BACW10P MANUFACTURERS STANDARD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | FINISH AND LUBRICATION PER MIL-L-46010SUP MIL SPEC 1ST TREATMENT RESPONSE OR SAE AS5272 TYPE I PER AS5272SUP NATIONAL STD/SPEC 2ND TREATMENT RESPONSE OVERALL |
| THICKNESS | 0.016 INCHES NOMINAL |