| EXTERNAL STRAIGHT KEY WIDTH | 0.246 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| EXTERNAL KEY QUANTITY | 4 |
| HOLE DIAMETER | 0.625 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5059,1/2 HARD MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 0.028 INCHES MINIMUM AND 0.030 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 301 OVERALL |
| OUTSIDE DIAMETER | 1.000 INCHES NOMINAL |
| OVERALL DISTANCE INCLUDING KEYS | 2.295 INCHES MINIMUM AND 2.300 INCHES MAXIMUM |
| STYLE DESIGNATOR | KEY |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |