| APERTURE DIAMETER | 41.5 MILLIMETERS MINIMUM AND 42.0 MILLIMETERS MAXIMUM |
| BOLT CIRCLE HOLE QUANTITY | 4 |
| CROSS-SECTIONAL SHAPE STYLE | RAISED SURFACE W/ APERTURE |
| MATERIAL | DALUMINUM ALLOY 6061-T6,PER SAE AMS-QQ-A-250/11 OR ASTM B209;ALTERNATE MATERIAL ALUMINUM ALLOY 6061-T6511,ROUND BAR PER ASTM B221;ALTERNATE MATERIAL ALUMINUM ALLOY 6061-T651 ROUND BAR PER ASTM B211 |
| MOUNTING BOLT CIRCLE DIAMETER | 59.69 MILLIMETERS NOMINAL |
| MOUNTING HOLE ARRANGEMENT STYLE | FOUR HOLES |
| MOUNTING HOLE DIAMETER | 6.0 MILLIMETERS MINIMUM AND 6.3 MILLIMETERS MAXIMUM |
| MOUNTING HOLE TYPE | ROUND, UNTHREADED |
| OUTSIDE DIAMETER | 72.0 MILLIMETERS NOMINAL |
| OUTSIDE RAISED SURFACE DIAMETER | 45.7 MILLIMETERS MINIMUM AND 46.2 MILLIMETERS MAXIMUM |
| OVERALL THICKNESS | 4.6 MILLIMETERS MINIMUM AND 5.4 MILLIMETERS MAXIMUM |
| RAISED SURFACE HEIGHT | 2.1 MILLIMETERS MINIMUM AND 2.6 MILLIMETERS MAXIMUM |
| STYLE DESIGNATOR | ROUND |
| SURFACE TREATMENT | FINISH 7.3.1 PLUS PRIME PER 20.24 AND TOPCOAT PER 24.8 OF MIL-STD-171,COLOR WHITE,COLOR CHIP NO 17925 OF FED-STD-595 |