| APERTURE DIAMETER | 1.9900 INCHES MINIMUM AND 2.0100 INCHES MAXIMUM |
| BOLT CIRCLE HOLE QUANTITY | 6 |
| CROSS-SECTIONAL SHAPE STYLE | RAISED SURFACE W/ APERTURE |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | ALUMINUM ALLOY 6061 OVERALL |
| MOUNTING BOLT CIRCLE DIAMETER | 2.8700 INCHES NOMINAL |
| MOUNTING HOLE ARRANGEMENT STYLE | SINGLE BOLT HOLE CIRCLE |
| MOUNTING HOLE DIAMETER | 0.218 INCHES MINIMUM AND 0.226 INCHES MAXIMUM |
| MOUNTING HOLE TYPE | ROUND, UNTHREADED |
| OUTSIDE DIAMETER | 3.3000 INCHES MINIMUM AND 3.3200 INCHES MAXIMUM |
| OUTSIDE RAISED SURFACE DIAMETER | 2.3260 INCHES MINIMUM AND 2.3263 INCHES MAXIMUM |
| OVERALL THICKNESS | 0.5690 INCHES MINIMUM AND 0.5790 INCHES MAXIMUM |
| RAISED SURFACE HEIGHT | 0.4710 INCHES MINIMUM AND 0.4770 INCHES MAXIMUM |
| SPECIAL FEATURES | FLAT 4.121 IN. NOM OFF LEFT CENTER LINE AT 3.70 RADIUS,2.835 IN. NOM DOWN FROM CENTER LINE TO PROVIDE CUTTING RADIUS OF FLAT; USED ON B1B ACFT |
| STYLE DESIGNATOR | ROUND |
| SURFACE TREATMENT | ANODIZE OVERALL |