| DISTANCE FROM KEY CENTER TO WIRE HOLE CENTER | 0.157 INCHES MINIMUM AND 0.219 INCHES MAXIMUM |
| HOLE DIAMETER | 0.727 INCHES MINIMUM AND 0.747 INCHES MAXIMUM |
| INTERNAL PREBENT KEY WIDTH | 0.109 INCHES MINIMUM AND 0.119 INCHES MAXIMUM |
| INTERNAL KEY QUANTITY | 1 |
| OUTSIDE DIAMETER | 1.000 INCHES MINIMUM AND 1.020 INCHES MAXIMUM |
| MATERIAL THICKNESS | 0.066 INCHES MINIMUM AND 0.076 INCHES MAXIMUM |
| MATERIAL | STEEL OVERALL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | LOCK WASHER |
| WIRE HOLE DIAMETER | 0.066 INCHES MINIMUM AND 0.076 INCHES MAXIMUM |
| STYLE DESIGNATOR | INTERNAL PREBENT KEY |
| SURFACE TREATMENT | CADMIUM OVERALL |