| EXTERNAL PREBENT KEY WIDTH | 0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM |
| EXTERNAL KEY QUANTITY | 19 |
| HARDNESS RATING | 92.0 ROCKWELL B MINIMUM |
| HEAT TREATMENT | NORMALIZED |
| HOLE DIAMETER | 2.973 INCHES MINIMUM AND 3.003 INCHES MAXIMUM |
| INTERNAL PREBENT KEY LENGTH | 0.188 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| INTERNAL PREBENT KEY WIDTH | 0.280 INCHES MINIMUM AND 0.300 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 8735 OVERALL |
| OUTSIDE DIAMETER | 3.375 INCHES MINIMUM AND 3.395 INCHES MAXIMUM |
| OVERALL DISTANCE INCLUDING KEYS | 3.892 INCHES MINIMUM AND 3.922 INCHES MAXIMUM |
| STYLE DESIGNATOR | KEY |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-16232 TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PHOSPHATE OVERALL |