| BS2470-TABLE 6A | K7766 | BRITISH STANDARDS INSTITUTION |
| BS2470TBL6A1-4UNCX0.5INCONEPT | K7766 | BRITISH STANDARDS INSTITUTION |
| TORNADO-9218 | U9115 | MINISTRY OF DEFENCE BRITISH STANDARD REFERENCES CONSTRUCTED TO A DEFINITI LEVEL FOR EUROFIGHTER AND TORNADO U NCB TASKING |