| DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY | 2.578 INCHES MINIMUM AND 2.609 INCHES MAXIMUM |
| HOLE DIAMETER | 5.609 INCHES MINIMUM AND 5.641 INCHES MAXIMUM |
| INTERNAL KEY QUANTITY | 2 |
| INTERNAL STRAIGHT KEY WIDTH | 0.453 INCHES MINIMUM AND 0.469 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-635 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 0.047 INCHES MINIMUM AND 0.078 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 1020 OVERALL |
| OUTSIDE DIAMETER | 6.172 INCHES MINIMUM AND 6.203 INCHES MAXIMUM |
| STYLE DESIGNATOR | KEY |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-P-16232 TYPE 2 CLASS 4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ZINC AND CHROMATE AND PHOSPHATE OR CADMIUM OVERALL |