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| 6TF8216 | U1725 | MINISTRY OF DEFENCE AIR DOMESTIC R FERENCE NUMBER USE ONLY |
| NDN1125-5-5 | K0185 | SMITHS AEROSPACE CUSTOMER SERVICES DIVISION |
| D215141TEM35 | K1806 | MINISTRY OF DEFENCE, DE&S UNDERWATER AND ELECTRONIC WARFARE PT (UEW IPT) |
| NDN1125-5-5 | K5294 | GE AVIATION SYSTEMS LIMITED |
| BS2470 | K7766 | BRITISH STANDARDS INSTITUTION |
| SC | U1811 | UNBRAKO A DIVISION OF S P S TECHNOLO IES LTD |