| 200-451-4460 | U1068 | TRELLEBORG SEALING SOLUTIONS (UK)LTD |
| 451 | K7766 | BRITISH STANDARDS INSTITUTION |
| DEFSTAN02-337-451-MN60 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| BS1806 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS1806-451 | K7766 | BRITISH STANDARDS INSTITUTION |
| BSM48-451 | K7766 | BRITISH STANDARDS INSTITUTION |
| NES 337 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| NES 337-1984 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| NES 337-451-MN60 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| PP51C78 | U1068 | TRELLEBORG SEALING SOLUTIONS (UK)LTD |
| NES337-451-MN60-(N63B) | U6183 | PRECISION POLYMER ENGINEERING LIMITE |