| BS1981 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS1981-2-64UNFFILHDSLTSS | U9115 | MINISTRY OF DEFENCE BRITISH STANDARD REFERENCES CONSTRUCTED TO A DEFINITI LEVEL FOR EUROFIGHTER AND TORNADO U NCB TASKING |
| BS1981-TABLE 14 2 UNF X 1/4 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS1981F1LHDSLT2-64UNCF1-41N | U9115 | MINISTRY OF DEFENCE BRITISH STANDARD REFERENCES CONSTRUCTED TO A DEFINITI LEVEL FOR EUROFIGHTER AND TORNADO U NCB TASKING |
| BS1981-2-64UNFX1/4INFILHDSTST | U9115 | MINISTRY OF DEFENCE BRITISH STANDARD REFERENCES CONSTRUCTED TO A DEFINITI LEVEL FOR EUROFIGHTER AND TORNADO U NCB TASKING |