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| BS4518 | K7766 | BRITISH STANDARDS INSTITUTION |
| DEFSTAN02-337-1143-57-FC70 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| NES337 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| NES337-1143-57-FC70 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| BS4518-1143-57 | K7766 | BRITISH STANDARDS INSTITUTION |
| WE122C1 | K1806 | MINISTRY OF DEFENCE, DE&S UNDERWATER AND ELECTRONIC WARFARE PT (UEW IPT) |
| WE122C1X | K1806 | MINISTRY OF DEFENCE, DE&S UNDERWATER AND ELECTRONIC WARFARE PT (UEW IPT) |
| NES337-1143-57-FC70-(V72G) | U6183 | PRECISION POLYMER ENGINEERING LIMITE |