| EXTERNAL KEY QUANTITY | 15 | 
| EXTERNAL PREBENT KEY WIDTH | 0.108 INCHES MINIMUM AND 0.122 INCHES MAXIMUM | 
| HOLE DIAMETER | 0.601 INCHES MINIMUM AND 0.616 INCHES MAXIMUM | 
| INTERNAL PREBENT KEY LENGTH | 0.031 INCHES MINIMUM AND 0.094 INCHES MAXIMUM | 
| INTERNAL PREBENT KEY WIDTH | 0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM | 
| MATERIAL THICKNESS | 0.037 INCHES MINIMUM AND 0.047 INCHES MAXIMUM | 
| MATERIAL | STEEL OVERALL | 
| OUTSIDE DIAMETER | 0.797 INCHES MINIMUM AND 0.827 INCHES MAXIMUM | 
| OVERALL DISTANCE INCLUDING KEYS | 1.156 INCHES MAXIMUM | 
| STYLE DESIGNATOR | KEY | 
| SURFACE TREATMENT | ZINC  AND DICHROMATE OVERALL |