| DISTANCE FROM CENTERLINE TO BOTTOM OF INTERNAL KEYWAY | 0.397 INCHES MINIMUM AND 0.417 INCHES MAXIMUM |
| DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY | 0.459 INCHES MINIMUM AND 0.479 INCHES MAXIMUM |
| FIRST KEY WIDTH | 0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM |
| HOLE DIAMETER | 0.776 INCHES MINIMUM AND 0.796 INCHES MAXIMUM |
| INTERNAL KEY QUANTITY | 1 |
| INTERNAL STRAIGHT KEY WIDTH | 0.119 INCHES MINIMUM AND 0.124 INCHES MAXIMUM |
| MATERIAL THICKNESS | 0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 1020 OVERALL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | LOCKWASHER |
| PROPRIETARY CHARACTERISTICS | PACS |
| OUTSIDE DIAMETER | 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM |
| OVERALL HEIGHT | 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM |
| OVERALL WIDTH | 0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM |
| STYLE DESIGNATOR | INTERNAL TEETH |
| SURFACE FINISH | 0.125 MICROINCHES ALL SURFACES |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-P-16232, TYPE M, CLASS 1 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | OIL OVERALL |