| DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY | 0.437 INCHES NOMINAL |
| HOLE DIAMETER | 1.005 INCHES MINIMUM AND 1.015 INCHES MAXIMUM |
| INTERNAL KEY QUANTITY | 1 |
| INTERNAL STRAIGHT KEY WIDTH | 0.151 INCHES MINIMUM AND 0.161 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 0.1345 INCHES NOMINAL |
| MATERIAL | STEEL OVERALL |
| OUTSIDE DIAMETER | 1.656 INCHES MINIMUM AND 1.719 INCHES MAXIMUM |
| STYLE DESIGNATOR | KEY |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-Z-325,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ZINC OVERALL |