| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS6350 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | PHOSPHATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS2481 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| STYLE DESIGNATOR | KEY |
| EXTERNAL KEY QUANTITY | 17 |
| HOLE DIAMETER | 2.281 INCHES MINIMUM AND |
| 2.306 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 2.781 INCHES MINIMUM AND |
| 2.801 INCHES MAXIMUM |
| INTERNAL PREBENT KEY LENGTH | 0.125 INCHES MINIMUM AND |
| 0.156 INCHES MAXIMUM |
| EXTERNAL PREBENT KEY WIDTH | 0.204 INCHES MINIMUM AND |
| 0.234 INCHES MAXIMUM |
| INTERNAL PREBENT KEY WIDTH | 0.219 INCHES MINIMUM AND |
| 0.239 INCHES MAXIMUM |
| OVERALL DISTANCE INCLUDING KEYS | 3.204 INCHES MINIMUM AND |
| 3.234 INCHES MAXIMUM |
| MATERIAL THICKNESS | 0.058 INCHES MINIMUM AND |
| 0.068 INCHES MAXIMUM |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | WASHER, KEY SINGLE |