| EXTERNAL PREBENT KEY WIDTH | 0.313 INCHES NOMINAL |
| EXTERNAL KEY QUANTITY | 19 |
| HOLE DIAMETER | 3.177 INCHES MINIMUM AND 3.207 INCHES MAXIMUM |
| INTERNAL PREBENT KEY LENGTH | 0.188 INCHES NOMINAL |
| INTERNAL PREBENT KEY WIDTH | 0.333 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 0.070 INCHES NOMINAL |
| MATERIAL | STEEL OVERALL |
| OUTSIDE DIAMETER | 3.844 INCHES NOMINAL |
| OVERALL DISTANCE INCLUDING KEYS | 4.375 INCHES NOMINAL |
| STYLE DESIGNATOR | KEY |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |