| 991-4-01314-217 | K1659 | PLESSEY AEROSPACE LTD |
| 991/4/01314/217 | K6036 | G E C MARCONI DEFENCE SYSTEMS LTD |
| BS1981 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS1981-TABLE 13 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS1981TBL13N04UNCX5/161NSTST | U9115 | MINISTRY OF DEFENCE BRITISH STANDARD REFERENCES CONSTRUCTED TO A DEFINITI LEVEL FOR EUROFIGHTER AND TORNADO U NCB TASKING |
| BS3155-4-40UNCX5-16RECPANHDSS | U9115 | MINISTRY OF DEFENCE BRITISH STANDARD REFERENCES CONSTRUCTED TO A DEFINITI LEVEL FOR EUROFIGHTER AND TORNADO U NCB TASKING |