| DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY | 1.072 INCHES MINIMUM AND 1.128 INCHES MAXIMUM |
| HOLE DIAMETER | 2.375 INCHES MINIMUM AND 2.425 INCHES MAXIMUM |
| INTERNAL PREBENT KEY LENGTH | 0.130 INCHES MINIMUM AND 0.160 INCHES MAXIMUM |
| INTERNAL PREBENT KEY WIDTH | 0.250 INCHES MINIMUM AND 0.290 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 4.250 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 1020 OVERALL |
| STYLE DESIGNATOR | KEY |
| SURFACE TREATMENT | PHOSPHATE OVERALL |