| CRITICALITY CODE JUSTIFICATION | SFTT |
| EXTERNAL KEY QUANTITY | 19 |
| EXTERNAL PREBENT KEY WIDTH | 0.298 INCHES MINIMUM AND 0.328 INCHES MAXIMUM |
| HOLE DIAMETER | 3.177 INCHES MINIMUM AND 3.207 INCHES MAXIMUM |
| INTERNAL PREBENT KEY LENGTH | 0.188 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| INTERNAL PREBENT KEY WIDTH | 0.313 INCHES MINIMUM AND 0.353 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 3.844 INCHES MINIMUM AND 3.874 INCHES MAXIMUM |
| OVERALL DISTANCE INCLUDING KEYS | 4.375 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | FED STD 66,COMP 1010 TO 1035 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 0.067 INCHES MINIMUM AND 0.077 INCHES MAXIMUM |
| MATERIAL | STEEL OVERALL |
| STYLE DESIGNATOR | KEY |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE II,CLASS C FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |