| 238 | K7766 | BRITISH STANDARDS INSTITUTION |
| 85-57-2-3-1720 | K4244 | BAE SYSTEMS GLOBAL COMBAT SYSTEMS LIMITED |
| DEFSTAN02-337-238-MN90 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| BS1806-238 | K7766 | BRITISH STANDARDS INSTITUTION |
| BSM48-238 | K7766 | BRITISH STANDARDS INSTITUTION |
| 99-806-9235 | U9199 | MINISTRY OF DEFENCE UNITED KINGDOM NATIONAL CODIFICATION BUREAU (UKNCB)TASKING, DETAILS FOR CANCELLED NSN'S(CSC D) |
| PC64611-238 | K0991 | MARCONI COMMUNICATION SYSTEMS LTD |
| NES 337 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| NES 337-1984 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| NES 337-238-MN90 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| PC64611-238 | U2248 | SELEX ELSAG LTD |
| NES337-238-MN90-(N93B) | U6183 | PRECISION POLYMER ENGINEERING LIMITE |