| DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY | 0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM |
| EXTERNAL PREBENT KEY LENGTH | 0.125 INCHES NOMINAL |
| EXTERNAL PREBENT KEY WIDTH | 0.218 INCHES NOMINAL |
| EXTERNAL KEY QUANTITY | 1 |
| HOLE DIAMETER | 0.251 INCHES MINIMUM AND 0.253 INCHES MAXIMUM |
| INTERNAL PREBENT KEY ANGLE | 90.0 DEGREES NOMINAL |
| INTERNAL PREBENT KEY LENGTH | 0.061 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 0.062 INCHES NOMINAL |
| OUTSIDE DIAMETER | 0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM |
| OVERALL DISTANCE INCLUDING KEYS | 0.625 INCHES NOMINAL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-N-290 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | NICKEL OVERALL |