| DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY | 0.395 INCHES MINIMUM AND 0.405 INCHES MAXIMUM |
| EXTERNAL PREBENT KEY LENGTH | 0.025 INCHES NOMINAL |
| EXTERNAL PREBENT KEY WIDTH | 0.080 INCHES MAXIMUM |
| HOLE DIAMETER | 0.250 INCHES MINIMUM AND 0.253 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 0.740 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
| OVERALL DISTANCE INCLUDING KEYS | 0.770 INCHES MINIMUM AND 0.780 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 0.031 INCHES MINIMUM AND 0.032 INCHES MAXIMUM |
| MATERIAL | COPPER ALLOY 268 OVERALL |
| STYLE DESIGNATOR | KEY |