| FIRST KEY WIDTH | 0.1255 INCHES MINIMUM AND 0.1295 INCHES MAXIMUM |
| HOLE DIAMETER | 0.187 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/8 FED SPEC 1ST MATERIAL RESPONSE OVERALL |
| MATERIAL | ALUMINUM ALLOY 5052 OVERALL |
| OUTSIDE DIAMETER | 0.500 INCHES NOMINAL |
| OVERALL DISTANCE INCLUDING KEYS | 0.660 INCHES NOMINAL |
| SECOND KEY WIDTH | 0.125 INCHES MINIMUM AND 0.129 INCHES MAXIMUM |
| SPECIAL FEATURES | OPIONAL MATERIAL 6061-0 PER QQ-A-250/11 |
| STYLE DESIGNATOR | KEY |