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| 1FA1-19-8660-04020 | U4535 | B A E SYSTEMS ELECTRONICS LTD |
| 208/JH/1017 | U1725 | MINISTRY OF DEFENCE AIR DOMESTIC R FERENCE NUMBER USE ONLY |
| 302-028026 | K1357 | THALES UK LIMITED DBA THALES UK LTDAIR OPERATIONS |
| 4006127 | U4338 | THALES UK LIMITED DBA THALES UK LTDDEFENCE MISSION SYSTEMS |
| 52PSW909604 | K7253 | BOOKHAM TECHNOLOGY PLC |
| 650/40420 | K0668 | LEONARDO UK LTD |
| 650/40420 | K5728 | G E C MARCONI AVIONICS LTD |
| 650/40420 | U2248 | SELEX ELSAG LTD |
| BS4168:PART 1 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS4168:PART 1 M4X20-A2-70 | K7766 | BRITISH STANDARDS INSTITUTION |
| BSENISO4762 | K7766 | BRITISH STANDARDS INSTITUTION |
| ISO4762-M4X20-A2-70 | I9008 | INTERNATIONAL ORGANIZATION FOR STANDARDIZATION (ISO) |
| ND7739 | K0824 | PEARSON ENGINEERING LIMITED |
| TORP2D2 | K1806 | MINISTRY OF DEFENCE, DE&S UNDERWATER AND ELECTRONIC WARFARE PT (UEW IPT) |