| DIAMETER | 0.6510 INCHES MINIMUM AND 0.6610 INCHES MAXIMUM |
| CENTER HOLE SHAPE STYLE | ROUND |
| CORNER SHAPE | SQUARE FIRST INSIDE CORNER |
| CORNER SHAPE | SQUARE FIRST OUTSIDE CORNER |
| CORNER SHAPE | SQUARE FOURTH OUTSIDE CORNER |
| CORNER SHAPE | SQUARE SECOND INSIDE CORNER |
| CORNER SHAPE | SQUARE SECOND OUTSIDE CORNER |
| CORNER SHAPE | SQUARE THIRD OUTSIDE CORNER |
| CROSS-SECTIONAL SHAPE STYLE | SHOULDERED |
| FLANGE THICKNESS | 0.0890 INCHES MINIMUM AND 0.0940 INCHES MAXIMUM |
| KEYWAY QUANTITY | 1 |
| KEYWAY RADIUS | 0.0495 INCHES MINIMUM AND 0.0505 INCHES MAXIMUM |
| PROPRIETARY CHARACTERISTICS | PACS |
| OUTSIDE DIAMETER | 1.2470 INCHES MINIMUM AND 1.2480 INCHES MAXIMUM |
| OVERALL THICKNESS | 0.1200 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM |
| SHANK OUTSIDE DIAMETER | 0.8230 INCHES MINIMUM AND 0.8330 INCHES MAXIMUM |
| SPECIAL FEATURES | 1 GROOVE 0.016 IN. WIDE 0.016 IN. DEEP LOCATED ON FACE OF FLANGE OD |
| WASHER KEYWAY DEPTH | 0.1315 INCHES MINIMUM AND 0.1615 INCHES MAXIMUM |
| STYLE DESIGNATOR | ROUND W/KEYWAYS |