| OUTSIDE DIAMETER | 0.946 INCHES MINIMUM AND 0.956 INCHES MAXIMUM |
| STYLE DESIGNATOR | KEY |
| DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY | 0.399 INCHES NOMINAL |
| EXTERNAL PREBENT KEY LENGTH | 0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM |
| EXTERNAL PREBENT KEY WIDTH | 0.089 INCHES MINIMUM AND 0.092 INCHES MAXIMUM |
| HARDNESS RATING | 43.0 ROCKWELL C MINIMUM |
| HOLE DIAMETER | 0.500 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AAST-5529 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| MATERIAL THICKNESS | 0.130 INCHES MINIMUM AND 0.170 INCHES MINIMUM |
| III MATERIAL | STEEL COMP 631 BODY |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | BLOCK,RADIUS |
| PROPRIETARY CHARACTERISTICS | PACS |