| 27VB5935 | U1725 | MINISTRY OF DEFENCE AIR DOMESTIC R FERENCE NUMBER USE ONLY |
| A0S029073-03 | U1585 | THE HYMATIC ENGINEERING COMPANYLIMITED T/A HONEYWELL HYMATIC |
| BS1806-011 | K7766 | BRITISH STANDARDS INSTITUTION |
| BSM48-011 | K7766 | BRITISH STANDARDS INSTITUTION |
| D12169-6 | U1585 | THE HYMATIC ENGINEERING COMPANYLIMITED T/A HONEYWELL HYMATIC |