| DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY | 0.705 INCHES MINIMUM |
| EXTERNAL PREBENT KEY LENGTH | 0.050 INCHES NOMINAL |
| EXTERNAL PREBENT KEY WIDTH | 0.110 INCHES NOMINAL |
| HOLE DIAMETER | 1.010 INCHES NOMINAL |
| INTERNAL STRAIGHT KEY WIDTH | 0.062 INCHES NOMINAL |
| OUTSIDE DIAMETER | 1.234 INCHES MINIMUM AND 1.266 INCHES MAXIMUM |
| OVERALL DISTANCE INCLUDING KEYS | 1.234 INCHES MINIMUM AND 1.266 INCHES MAXIMUM |
| MATERIAL THICKNESS | 0.040 INCHES NOMINAL |
| MATERIAL | STEEL OVERALL |
| STYLE DESIGNATOR | KEY |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |