| DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY | 0.210 INCHES MINIMUM AND 0.220 INCHES MAXIMUM |
| EXTERNAL PREBENT KEY LENGTH | 0.024 INCHES MINIMUM AND 0.027 INCHES MAXIMUM |
| EXTERNAL PREBENT KEY WIDTH | 0.093 INCHES NOMINAL |
| HOLE DIAMETER | 0.250 INCHES MINIMUM AND 0.251 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 0.359 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| OVERALL DISTANCE INCLUDING KEYS | 0.4195 INCHES MINIMUM AND 0.4375 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S- COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 0.033 INCHES MINIMUM AND 0.035 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 2 OVERALL |
| STYLE DESIGNATOR | KEY |
| SURFACE TREATMENT | PASSIVATE OVERALL |