| HOLE DIAMETER | 10.35 MILLIMETERS MINIMUM AND 10.65 MILLIMETERS MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A564 GR630 (17-4PH) DOUBLE AGED H1150 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 4.85 MILLIMETERS MINIMUM AND 5.15 MILLIMETERS MAXIMUM |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| OUTSIDE DIAMETER | 26.85 MILLIMETERS MINIMUM AND 27.15 MILLIMETERS MAXIMUM |
| RECESS ANGLE | 89.0 DEGREES MINIMUM AND 91.0 DEGREES MAXIMUM |
| RECESS DIAMETER | 20.35 MILLIMETERS MINIMUM AND 20.65 MILLIMETERS MAXIMUM |
| STYLE DESIGNATOR | RECESSED |