| 215 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS1806 | K7766 | BRITISH STANDARDS INSTITUTION |
| DEFSTAN02-337-215-MN60 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| NES 337 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| BS1806-215 | K7766 | BRITISH STANDARDS INSTITUTION |
| BSM48-215 | K7766 | BRITISH STANDARDS INSTITUTION |
| PH.64601 | K0991 | MARCONI COMMUNICATION SYSTEMS LTD |
| PH.64601-20 | K0991 | MARCONI COMMUNICATION SYSTEMS LTD |
| NES 337-1984 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| NES 337-215-MN60 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| PH.64601 | U2248 | SELEX ELSAG LTD |
| PH.64601-20 | U2248 | SELEX ELSAG LTD |
| NES337-215-MN60-(N63B) | U6183 | PRECISION POLYMER ENGINEERING LIMITE |