| EXTERNAL KEY QUANTITY | 2 |
| EXTERNAL STRAIGHT KEY WIDTH | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM |
| HARDNESS RATING | 55.0 BRINELL STANDARD MINIMUM |
| HOLE DIAMETER | 0.515 INCHES MINIMUM AND 0.525 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 0.959 INCHES MINIMUM AND 0.979 INCHES MAXIMUM |
| OVERALL DISTANCE INCLUDING KEYS | 1.088 INCHES MINIMUM AND 1.103 INCHES MAXIMUM |
| MATERIAL THICKNESS | 0.134 INCHES MINIMUM AND 0.144 INCHES MAXIMUM |
| MATERIAL | COPPER ALLOY OVERALL |
| MINIMUM YIELD STRENGTH | 20000 POUNDS PER SQUARE INCH |
| MINIMUM TENSILE STRENGTH | 27000 POUNDS PER SQUARE INCH |
| STYLE DESIGNATOR | KEY |