| 106402-6 | U2164 | JAMES WALKER & CO LTD |
| 106402-6 | U8616 | JAMES WALKER & CO LTD |
| DEFSTAN02-337-263-MN70 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| BS1806-263 | K7766 | BRITISH STANDARDS INSTITUTION |
| BSM48-263 | K7766 | BRITISH STANDARDS INSTITUTION |
| JW502-79 | U2164 | JAMES WALKER & CO LTD |
| NES 337 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| NES 337-1984 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| NES 337-263-MN70 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| NES337-263-MN70-(N73B) | U6183 | PRECISION POLYMER ENGINEERING LIMITE |
| JW502-79 | U8616 | JAMES WALKER & CO LTD |