| DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY | 0.484 INCHES NOMINAL |
| DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY | 0.154 INCHES MINIMUM AND 0.158 INCHES MAXIMUM |
| EXTERNAL PREBENT KEY LENGTH | 0.153 INCHES NOMINAL |
| EXTERNAL PREBENT KEY WIDTH | 0.125 INCHES NOMINAL |
| HOLE DIAMETER | 0.375 INCHES MINIMUM AND 0.379 INCHES MAXIMUM |
| INTERNAL STRAIGHT KEY WIDTH | 0.058 INCHES MINIMUM AND 0.062 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM |
| OVERALL DISTANCE INCLUDING KEYS | 0.932 INCHES MINIMUM AND 0.972 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/4 TEM T3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 0.032 INCHES NOMINAL |
| MATERIAL | ALUMINUM ALLOY 2024 OVERALL |
| STYLE DESIGNATOR | KEY |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541,CL 1A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CHROMATE OVERALL |