| 10AC5105 | U1725 | MINISTRY OF DEFENCE AIR DOMESTIC R FERENCE NUMBER USE ONLY |
| 7673-1124 | K1488 | BRITISH AEROSPACE PLC NAVAL AND ELECTRONIC SYSTEMS DIVISION |
| BS1981 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS1981-TABLE 4 2 UNC X 1/2 | K7766 | BRITISH STANDARDS INSTITUTION |
| 7673-1124 | U6441 | ATLANTIC INERTIAL SYSTEMS LIMITED |
| BS1981-2-56UNCSLCSKHDX0-51NSS | U9115 | MINISTRY OF DEFENCE BRITISH STANDARD REFERENCES CONSTRUCTED TO A DEFINITI LEVEL FOR EUROFIGHTER AND TORNADO U NCB TASKING |
| PF47201-416 | K0668 | LEONARDO UK LTD |
| BS1981TABLE4-2-56UNCX1-2 | U9115 | MINISTRY OF DEFENCE BRITISH STANDARD REFERENCES CONSTRUCTED TO A DEFINITI LEVEL FOR EUROFIGHTER AND TORNADO U NCB TASKING |