| DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY | 0.540 INCHES NOMINAL |
| DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY | 0.450 INCHES NOMINAL |
| EXTERNAL PREBENT KEY LENGTH | 0.340 INCHES NOMINAL |
| EXTERNAL PREBENT KEY WIDTH | 0.250 INCHES NOMINAL |
| HEAT TREATMENT | AS FABRICATED |
| HOLE DIAMETER | 0.511 INCHES NOMINAL |
| INTERNAL STRAIGHT KEY WIDTH | 0.081 INCHES MINIMUM AND 0.091 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5059,1/4 H MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 0.064 INCHES NOMINAL |
| MATERIAL | STEEL COMP 301 OVERALL |
| OUTSIDE DIAMETER | 1.000 INCHES NOMINAL |
| OVERALL DISTANCE INCLUDING KEYS | 1.380 INCHES NOMINAL |
| STYLE DESIGNATOR | KEY |