| EXTERNAL KEY QUANTITY | 1 | 
| EXTERNAL STRAIGHT KEY LENGTH | 0.281 INCHES NOMINAL | 
| EXTERNAL STRAIGHT KEY WIDTH | 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM | 
| HOLE DIAMETER | 0.765 INCHES MINIMUM AND 0.797 INCHES MAXIMUM | 
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-286,CLASS B,GRADE 500 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | 
| MATERIAL THICKNESS | 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM | 
| MATERIAL | NICKEL ALLOY OVERALL | 
| PEENING KEY LENGTH | 1.687 INCHES NOMINAL | 
| OUTSIDE DIAMETER | 1.265 INCHES MINIMUM AND 1.297 INCHES MAXIMUM | 
| OVERALL DISTANCE INCLUDING KEYS | 2.890 INCHES NOMINAL | 
| STYLE DESIGNATOR | KEY |