| 1D212 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| 5330-857157 | U1278 | MINISTRY OF DEFENCE NAVY |
| SSML7-17 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| SSML7-17-1D212 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| BS1806-212 | K7766 | BRITISH STANDARDS INSTITUTION |
| BSM48-212 | K7766 | BRITISH STANDARDS INSTITUTION |