| DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY | 0.135 INCHES MINIMUM AND 0.145 INCHES MAXIMUM |
| EXTERNAL PREBENT KEY LENGTH | 0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM |
| EXTERNAL PREBENT KEY WIDTH | 0.050 INCHES MINIMUM AND 0.060 INCHES MAXIMUM |
| HARDNESS RATING | 75.0 ROCKWELL B MINIMUM AND 100.0 ROCKWELL B MAXIMUM |
| HOLE DIAMETER | 0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 0.385 INCHES MINIMUM AND 0.395 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 0.018 INCHES MINIMUM AND 0.022 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 302 OVERALL |