| DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY | 0.870 INCHES NOMINAL |
| EXTERNAL KEY QUANTITY | 4 |
| EXTERNAL STRAIGHT KEY WIDTH | 0.740 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
| HOLE DIAMETER | 2.060 INCHES NOMINAL |
| INTERNAL KEY QUANTITY | 1 |
| INTERNAL STRAIGHT KEY WIDTH | 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 0.062 INCHES NOMINAL |
| MATERIAL | NICKEL ALLOY AND COPPER ALLOY OVERALL |
| OUTSIDE DIAMETER | 2.630 INCHES NOMINAL |
| OVERALL DISTANCE INCLUDING KEYS | 3.880 INCHES NOMINAL |
| STYLE DESIGNATOR | KEY |