| A02 | K7766 | BRITISH STANDARDS INSTITUTION |
| A2 | K7766 | BRITISH STANDARDS INSTITUTION |
| DEFSTAN53-13 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| SP93 | K7766 | BRITISH STANDARDS INSTITUTION |
| SP93-A02 | K7766 | BRITISH STANDARDS INSTITUTION |
| SP93-A2 | K7766 | BRITISH STANDARDS INSTITUTION |
| SP93A02 | K7766 | BRITISH STANDARDS INSTITUTION |
| SP93A2 | K7766 | BRITISH STANDARDS INSTITUTION |