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| BS4183-TABLE 5 | K7766 | BRITISH STANDARDS INSTITUTION |
| 6A21628 | U1725 | MINISTRY OF DEFENCE AIR DOMESTIC R FERENCE NUMBER USE ONLY |
| H403618D | K0119 | BRITISH AEROSPACE SYSTEMS & EQUIPMENT |
| BS4183SMMCFFSL03-0X005CR0000NT | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| SCM042-3005 | K1173 | BRANDENBURG A DIVISION OF ASTEC EUROPE LTD |
| BS4183M3X5SLCHDSS | K1474 | PENNY & GILES AEROSPACE LIMITED |
| BS4183SMMCFFSL03-0X005CR0000NT | K9090 | MINISTRY OF DEFENCE |