| 082194 | K7776 | AMETEK AIRTECHNOLOGY GROUP LIMITED |
| 27B5071 | U1725 | MINISTRY OF DEFENCE AIR DOMESTIC R FERENCE NUMBER USE ONLY |
| 85-690-1804 | F5385 | SECTION DE CODIFICATION 85DGA/SMA/AIA/CP |
| BS1806 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS1806-118 | K7766 | BRITISH STANDARDS INSTITUTION |
| BSM48-118 | K7766 | BRITISH STANDARDS INSTITUTION |