| DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY | 2.759 INCHES NOMINAL |
| HOLE DIAMETER | 5.780 INCHES MINIMUM AND 5.840 INCHES MAXIMUM |
| INTERNAL KEY QUANTITY | 2 |
| INTERNAL STRAIGHT KEY WIDTH | 0.166 INCHES MINIMUM AND 0.186 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE-AMS-QQ-S-766 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 0.032 INCHES NOMINAL |
| MATERIAL | STEEL COMP 301 OVERALL |
| OUTSIDE DIAMETER | 6.460 INCHES MINIMUM AND 6.480 INCHES MAXIMUM |
| SPECIAL FEATURES | WASHER IS NOT FLAT, CUPPED TOP AND BOTTOM, EACH CUP HEIGHT IS 0.340, OVERALL HEIGHT 0.680 |
| STYLE DESIGNATOR | INTERNAL KEY |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | SAE-AMS-QQ-P-35 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |