| DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY | 1.865 INCHES MINIMUM AND 1.870 INCHES MAXIMUM |
| HOLE DIAMETER | 4.150 INCHES NOMINAL |
| INTERNAL KEY QUANTITY | 2 |
| INTERNAL STRAIGHT KEY WIDTH | 0.366 INCHES MINIMUM AND 0.372 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-8844,CLASS 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 0.562 INCHES NOMINAL |
| MATERIAL | STEEL COMP 4340 OVERALL |
| OUTSIDE DIAMETER | 5.000 INCHES NOMINAL |
| SPECIAL FEATURES | 6 KEYWAYS EQUALLY SPACED ON OUTEREDGE 0.440 IN. WIDE,0.350 IN. DEEP |
| STYLE DESIGNATOR | KEY |
| SURFACE FINISH | 125.0 MICROINCHES ALL SURFACES |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 1 FED SPEC 1ST TREATMENT RESPONSE AND QQ-C-320,CLASS 2 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMIUM OVERALL |