| 4 | K7766 | BRITISH STANDARDS INSTITUTION |
| 88300-303-556 | U1278 | MINISTRY OF DEFENCE NAVY |
| DEFSTAN53-13 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| SK7863-3 | K1488 | BRITISH AEROSPACE PLC NAVAL AND ELECTRONIC SYSTEMS DIVISION |
| SP95 | K7766 | BRITISH STANDARDS INSTITUTION |
| C04 | K7766 | BRITISH STANDARDS INSTITUTION |
| SP95-4 | K7766 | BRITISH STANDARDS INSTITUTION |
| SP95-C04 | K7766 | BRITISH STANDARDS INSTITUTION |
| SP9504 | K7766 | BRITISH STANDARDS INSTITUTION |
| SP95C04 | K7766 | BRITISH STANDARDS INSTITUTION |
| SP95C4 | K7766 | BRITISH STANDARDS INSTITUTION |