| EXTERNAL KEY QUANTITY | 19 |
| EXTERNAL PREBENT KEY WIDTH | 0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM |
| HOLE DIAMETER | 3.988 INCHES MINIMUM AND 4.018 INCHES MAXIMUM |
| INTERNAL PREBENT KEY LENGTH | 0.250 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| INTERNAL PREBENT KEY WIDTH | 0.340 INCHES MINIMUM AND 0.360 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 8735 OVERALL |
| OUTSIDE DIAMETER | 4.406 INCHES MINIMUM AND 4.426 INCHES MAXIMUM |
| OVERALL DISTANCE INCLUDING KEYS | 4.970 INCHES MINIMUM AND 5.000 INCHES MAXIMUM |
| STYLE DESIGNATOR | KEY |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-16232 TY2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PHOSPHATE OVERALL |