| HOLE DIAMETER | 0.250 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
| INTERNAL KEY QUANTITY | 1 |
| INTERNAL STRAIGHT KEY WIDTH | 0.110 INCHES MINIMUM AND 0.115 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 0.093 INCHES NOMINAL |
| MATERIAL | STEEL COMP 4130 OVERALL |
| OUTSIDE DIAMETER | 1.188 INCHES NOMINAL |
| STYLE DESIGNATOR | KEY |
| SPECIAL FEATURES | TWO ENDS OF WASHER PARALELL WITH KEY BENT DOWN 90 DEGREES |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |