| 0330-1511 | U1278 | MINISTRY OF DEFENCE NAVY |
| BS2570 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS2570-C1511 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS2570C1511 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS6125 | K7766 | BRITISH STANDARDS INSTITUTION |
| C1511 | K7766 | BRITISH STANDARDS INSTITUTION |
| TABLE 6 PATTERN NUMBER C1511 | K7766 | BRITISH STANDARDS INSTITUTION |