| DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY | 0.400 INCHES MINIMUM AND 0.410 INCHES MAXIMUM |
| HOLE DIAMETER | 1.005 INCHES MINIMUM AND 1.015 INCHES MAXIMUM |
| INTERNAL KEY QUANTITY | 1 |
| INTERNAL STRAIGHT KEY WIDTH | 0.160 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6395 ASSN STD 1ST MATERIAL RESPONSE OR AMS 6350 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 0.090 INCHES MINIMUM AND 0.095 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 4140 OR STEEL COMP 4130 OVERALL |
| MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
| OUTSIDE DIAMETER | 1.380 INCHES NOMINAL |
| SPECIAL FEATURES | CHAMFER OUTSIDE EDGES 0.010 IN. MIN,0.040 IN. MAX BY 45 DEG |
| STYLE DESIGNATOR | KEY |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-C-320,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CHROMIUM OVERALL |