| DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY | 0.055 INCHES MINIMUM AND 0.062 INCHES MAXIMUM |
| EXTERNAL KEY QUANTITY | 5 |
| EXTERNAL STRAIGHT KEY WIDTH | 0.078 INCHES MINIMUM AND 0.110 INCHES MAXIMUM |
| HOLE DIAMETER | 0.193 INCHES MINIMUM AND 0.198 INCHES MAXIMUM |
| INTERNAL STRAIGHT KEY WIDTH | 0.044 INCHES MINIMUM AND 0.048 INCHES MAXIMUM |
| INTERNAL KEY QUANTITY | 1 |
| OUTSIDE DIAMETER | 0.375 INCHES MINIMUM AND 0.385 INCHES MAXIMUM |
| OVERALL DISTANCE INCLUDING KEYS | 0.546 INCHES MINIMUM AND 0.578 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 0.020 INCHES MINIMUM AND 0.030 INCHES MAXIMUM |
| MATERIAL | ALUMINUM ALLOY 1100 OVERALL |
| STYLE DESIGNATOR | KEY |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ANODIZE OVERALL |