| EXTERNAL KEY QUANTITY | 1 |
| EXTERNAL STRAIGHT KEY LENGTH | 0.250 INCHES NOMINAL |
| EXTERNAL STRAIGHT KEY WIDTH | 0.310 INCHES MAXIMUM |
| HOLE DIAMETER | 4.765 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | BS1449 PART 1 CR3 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 0.036 INCHES NOMINAL |
| III MATERIAL | STEEL OVERALL |
| OVERALL DISTANCE INCLUDING KEYS | 5.625 INCHES NOMINAL |
| SPECIAL FEATURES | CIRCULAR SHAPE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | GROUP 530 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PHOSPHATE OVERALL |