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| 4601-15 | K1209 | CROSS MANUFACTURING COMPANY (1938) LIMITED |
| AS4601-15 | K1012 | ARMSTRONG PRECISION COMPONENTS LTD |
| AS460115 | K5974 | ROLLS-ROYCE PLC NAVAL MARINE |
| AS4601- 15 | U1653 | SOCIETY OF BRITISH AEROSPACE COMPANI LTD SBAC |
| AS4601-15 | U1653 | SOCIETY OF BRITISH AEROSPACE COMPANI LTD SBAC |
| DEFSTAN53-14 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |