| DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY | 0.320 INCHES NOMINAL |
| EXTERNAL PREBENT KEY LENGTH | 0.029 INCHES NOMINAL |
| EXTERNAL PREBENT KEY WIDTH | 0.182 INCHES MINIMUM AND 0.187 INCHES MAXIMUM |
| HOLE DIAMETER | 0.249 INCHES MINIMUM AND 0.253 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-746 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 0.030 INCHES MINIMUM AND 0.032 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 0.610 INCHES MINIMUM AND 0.630 INCHES MAXIMUM |
| OVERALL DISTANCE INCLUDING KEYS | 0.7006 INCHES NOMINAL |
| STYLE DESIGNATOR | KEY |