| DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY | 0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM |
| HOLE DIAMETER | 0.285 INCHES NOMINAL |
| INTERNAL KEY QUANTITY | 3 |
| INTERNAL STRAIGHT KEY WIDTH | 0.023 INCHES MINIMUM AND 0.033 INCHES MAXIMUM |
| MATERIAL THICKNESS | 0.015 INCHES MINIMUM AND 0.025 INCHES MAXIMUM |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| OUTSIDE DIAMETER | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM |
| STYLE DESIGNATOR | KEY |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |