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| 28Q19398 | U1725 | MINISTRY OF DEFENCE AIR DOMESTIC R FERENCE NUMBER USE ONLY |
| 5W8519 | U1725 | MINISTRY OF DEFENCE AIR DOMESTIC R FERENCE NUMBER USE ONLY |
| DEFSTAN53-92PT1 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| NL5046 | 0GD25 | ALLIED DEFENSE INDUSTRIES, LLC |
| NL5046 | K4358 | SAFRAN ELECTRICAL & POWER UK LTD |
| SP76 | K7766 | BRITISH STANDARDS INSTITUTION |
| SP76-207 | K0377 | GOODRICH ACTUATION SYSTEMS LIMITED |
| SP76-207 | K7766 | BRITISH STANDARDS INSTITUTION |