| DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY | 0.148 INCHES NOMINAL |
| HOLE DIAMETER | 0.377 INCHES MINIMUM AND 0.383 INCHES MAXIMUM |
| INTERNAL KEY QUANTITY | 3 |
| INTERNAL STRAIGHT KEY WIDTH | 0.059 INCHES MINIMUM AND 0.065 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-25043 MIL SPEC SINGLE MATERIAL RESPONSE OR AMS5529 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 0.032 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 631 OVERALL |
| OUTSIDE DIAMETER | 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM |
| STYLE DESIGNATOR | KEY |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |