| BS2871 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS2871 PART 2 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS2871 PART 2-CN102 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS2871 PART 2-CN102-7/16INOD | K7766 | BRITISH STANDARDS INSTITUTION |
| BSEN12449 | K7766 | BRITISH STANDARDS INSTITUTION |
| BSEN12449-CW352H-R290-7/16IN.OD | K7766 | BRITISH STANDARDS INSTITUTION |
| EN12449 | I9006 | COMITE EUROPEEN DE NORMALISATION |
| EN12449-CW352H-R290-7/16IN.OD | I9006 | COMITE EUROPEEN DE NORMALISATION |
| CN102 | K7766 | BRITISH STANDARDS INSTITUTION |