| DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY | 0.492 INCHES MINIMUM AND 0.497 INCHES MAXIMUM |
| EXTERNAL PREBENT KEY LENGTH | 0.157 INCHES NOMINAL |
| HOLE DIAMETER | 0.828 INCHES MINIMUM AND 0.838 INCHES MAXIMUM |
| INTERNAL STRAIGHT KEY WIDTH | 0.110 INCHES MINIMUM AND 0.115 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 1.312 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758,COND D4 OR D1 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-18729,COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 0.093 INCHES NOMINAL |
| MATERIAL | STEEL COMP 4130 OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |