| 0131-16 | K7766 | BRITISH STANDARDS INSTITUTION |
| 102-515-0059 | U1068 | TRELLEBORG SEALING SOLUTIONS (UK)LTD |
| DEFSTAN02-337-0131-16-MN70 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| BS4518 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS4518-0131-16 | K7766 | BRITISH STANDARDS INSTITUTION |
| BSL-BS4518 | U0F31 | BSL EXPRESS SERVICE LTD |
| NES 337 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| NES 337-0131-16-MN70 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| NES 337-1984 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| NES337-0131-16-MN70-(N73B) | L6427 | MOBILE VALVE REPAIRS |
| NES337-0131-16-MN70-(N73B) | U6183 | PRECISION POLYMER ENGINEERING LIMITE |