| DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY | 0.129 INCHES NOMINAL |
| DISTANCE FROM KEY CENTER TO WIRE HOLE CENTER | 0.125 INCHES NOMINAL |
| HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM |
| HOLE DIAMETER | 0.388 INCHES MINIMUM AND 0.404 INCHES MAXIMUM |
| INTERNAL PREBENT KEY LENGTH | 0.031 INCHES MINIMUM AND 0.041 INCHES MAXIMUM |
| INTERNAL PREBENT KEY WIDTH | 0.077 INCHES MINIMUM AND 0.087 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 0.560 INCHES MINIMUM AND 0.580 INCHES MAXIMUM |
| OVERALL DISTANCE INCLUDING KEYS | 0.738 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7947,COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 0.050 INCHES NOMINAL |
| MATERIAL | STEEL COMP 1095 OVERALL |
| WIRE HOLE DIAMETER | 0.062 INCHES NOMINAL |
| SPECIFICATION/STANDARD DATA | 80205-NAS513 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| STYLE DESIGNATOR | INTERNAL PREBENT 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 |