| DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY | 0.128 INCHES NOMINAL |
| HARDNESS RATING | 40.0 ROCKWELL C MAXIMUM |
| HOLE DIAMETER | 0.380 INCHES MINIMUM AND 0.390 INCHES MAXIMUM |
| INTERNAL KEY QUANTITY | 1 |
| INTERNAL STRAIGHT KEY WIDTH | 0.077 INCHES MINIMUM AND 0.087 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5343 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 0.065 INCHES MINIMUM AND 0.075 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 630 OVERALL |
| OUTSIDE DIAMETER | 0.560 INCHES MINIMUM AND 0.580 INCHES MAXIMUM |
| SPECIAL FEATURES | 42 SERRATIONS EQUALLY SPACED AROUND ENTIRE FACE OF WASHER |
| SPECIFICATION/STANDARD DATA | 80205-NAS1193 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| STYLE DESIGNATOR | KEY |