| BS1806 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS1806-1962 | K7766 | BRITISH STANDARDS INSTITUTION |
| PRP445-8299 | 25184 | PARKER HANNIFIN CORPORATION DIV O-RING DIVISION |
| MN2053C-OS73 | H1270 | DMO/ZEE/MB/DLD |
| J1220J1228BLAD1LEG10-11 | H2136 | B.V. NEDERLANDSE VERENIGDE SCHEEPSBOUW BUREAUS |
| BS1806-445 | K7766 | BRITISH STANDARDS INSTITUTION |
| WTB214-13-14GACOR8800P90 | H0H28 | KONINKLIJKE MARINE DMKM PFS,PLATFORMSYSTEMEN |
| WTB214-13-14GACOR8800P90 | H2383 | MINISTERIE VAN DEFENSIE 0590 KONINKLYK E MARINE DMKM WERTUBO WERK |
| R8800P90 | U0028 | FREUDENBERG ANGUS |