| DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY | 0.162 INCHES MINIMUM AND 0.167 INCHES MAXIMUM |
| EXTERNAL KEY QUANTITY | 3 |
| EXTERNAL STRAIGHT KEY WIDTH | 0.100 INCHES MINIMUM AND 0.110 INCHES MAXIMUM |
| HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM |
| HEAT TREATMENT | QUENCHED AND TEMPERED |
| HOLE DIAMETER | 0.460 INCHES MINIMUM AND 0.470 INCHES MAXIMUM |
| INTERNAL STRAIGHT KEY WIDTH | 0.080 INCHES MINIMUM AND 0.090 INCHES MAXIMUM |
| INTERNAL KEY QUANTITY | 2 |
| OUTSIDE DIAMETER | 0.560 INCHES MINIMUM AND 0.580 INCHES MAXIMUM |
| OVERALL DISTANCE INCLUDING KEYS | 0.650 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6350 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 0.032 INCHES NOMINAL |
| MATERIAL | STEEL COMP 4130 OVERALL |
| SPECIAL FEATURES | WASHER BENT TO AN OVERALL HEIGHT OF 0.038 IN. MIN,0.066 IN. MAX |
| STYLE DESIGNATOR | KEY |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | +16-TE5,CLASS 1,99207 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE FINISH | 63.0 MICROINCHES ALL SURFACES |
| SURFACE TREATMENT | PHOSPHATE OVERALL |