| DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY | 0.410 INCHES NOMINAL |
| DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY | 0.324 INCHES NOMINAL |
| EXTERNAL PREBENT KEY LENGTH | 0.140 INCHES NOMINAL |
| EXTERNAL PREBENT KEY WIDTH | 0.140 INCHES NOMINAL |
| HARDNESS RATING | 35.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM |
| HOLE DIAMETER | 0.386 INCHES NOMINAL |
| INTERNAL STRAIGHT KEY WIDTH | 0.086 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-18729 MIL SPEC ALL MATERIAL RESPONSES OVERALL |
| MATERIAL THICKNESS | 0.060 INCHES NOMINAL |
| MATERIAL | STEEL COMP 4130 OVERALL |
| OUTSIDE DIAMETER | 1.030 INCHES NOMINAL |
| OVERALL DISTANCE INCLUDING KEYS | 0.820 INCHES NOMINAL |
| SPECIAL FEATURES | COLOR YELLOW |
| STYLE DESIGNATOR | KEY |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |