| DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY | 0.515 INCHES MINIMUM AND 0.520 INCHES MAXIMUM |
| EXTERNAL KEY QUANTITY | 3 |
| EXTERNAL STRAIGHT KEY WIDTH | 0.110 INCHES MINIMUM AND 0.130 INCHES MAXIMUM |
| HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM |
| HEAT TREATMENT | AS FABRICATED |
| HOLE DIAMETER | 1.230 INCHES MINIMUM AND 1.250 INCHES MAXIMUM |
| INTERNAL KEY QUANTITY | 2 |
| INTERNAL STRAIGHT KEY WIDTH | 0.140 INCHES MINIMUM AND 0.160 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS6350 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 0.035 INCHES MINIMUM AND 0.045 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 4130 OVERALL |
| OUTSIDE DIAMETER | 1.400 INCHES MINIMUM AND 1.420 INCHES MAXIMUM |
| OVERALL DISTANCE INCLUDING KEYS | 1.600 INCHES MINIMUM AND 1.620 INCHES MAXIMUM |
| STYLE DESIGNATOR | KEY |
| SURFACE FINISH | 63.0 MICROINCHES ALL SURFACES |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS2485 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | OXIDE FILM OVERALL |