| DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY | 1.121 INCHES NOMINAL |
| EXTERNAL STRAIGHT KEY WIDTH | 0.214 INCHES MINIMUM AND 0.234 INCHES MAXIMUM |
| EXTERNAL KEY QUANTITY | 17 |
| HOLE DIAMETER | 2.010 INCHES MINIMUM AND 2.020 INCHES MAXIMUM |
| INTERNAL KEY QUANTITY | 1 |
| INTERNAL STRAIGHT KEY WIDTH | 0.230 INCHES MINIMUM AND 0.240 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 2.531 INCHES MINIMUM AND 2.551 INCHES MAXIMUM |
| OVERALL DISTANCE INCLUDING KEYS | 3.147 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-624,TYPE D,GR 1,CL C FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 0.156 INCHES NOMINAL |
| MATERIAL | STEEL COMP 4140 OVERALL |
| STYLE DESIGNATOR | KEY |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-P-16232 FED STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |