| DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY | 1.7925 INCHES MINIMUM AND 1.7975 INCHES MAXIMUM |
| HOLE DIAMETER | 4.290 INCHES NOMINAL |
| INTERNAL KEY QUANTITY | 2 |
| INTERNAL STRAIGHT KEY WIDTH | 0.494 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| MATERIAL THICKNESS | 0.124 INCHES MINIMUM AND 0.126 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 1551 OVERALL |
| OUTSIDE DIAMETER | 5.590 INCHES MINIMUM AND 5.610 INCHES MAXIMUM |
| SPECIAL FEATURES | NAVYI WASHER,KEY,AIRCRAFT |
| STYLE DESIGNATOR | KEY |
| SUPPLEMENTARY FEATURES | 24 .270 DIAM HOLES AROUND |