| DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY | 0.045 INCHES MINIMUM AND 0.057 INCHES MAXIMUM |
| EXTERNAL KEY QUANTITY | 6 |
| EXTERNAL STRAIGHT KEY WIDTH | 0.119 INCHES MINIMUM AND 0.129 INCHES MAXIMUM |
| HOLE DIAMETER | 0.211 INCHES MINIMUM AND 0.214 INCHES MAXIMUM |
| INTERNAL KEY QUANTITY | 1 |
| INTERNAL STRAIGHT KEY WIDTH | 0.039 INCHES MINIMUM AND 0.042 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 0.283 INCHES MINIMUM AND 0.285 INCHES MAXIMUM |
| OVERALL DISTANCE INCLUDING KEYS | 0.289 INCHES MINIMUM AND 0.291 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-613 1/2 HARD FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 0.060 INCHES MINIMUM AND 0.064 INCHES MAXIMUM |
| MATERIAL | COPPER ALLOY 11 OVERALL |
| SPECIAL FEATURES | 0.015 IN RADIUS BOTH EDGES OF INTERNAL KEY |
| STYLE DESIGNATOR | KEY |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |