| 021 | K7766 | BRITISH STANDARDS INSTITUTION |
| 99-800-6297 | U9199 | MINISTRY OF DEFENCE UNITED KINGDOM NATIONAL CODIFICATION BUREAU (UKNCB)TASKING, DETAILS FOR CANCELLED NSN'S(CSC D) |
| B02061 | K0207 | HALE HAMILTON (VALVES) LIMITED |
| BO2061 | K0207 | HALE HAMILTON (VALVES) LIMITED |
| BS1806 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS1806-021 | K7766 | BRITISH STANDARDS INSTITUTION |
| DEFSTAN02-337-021-MN80 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| NES 337 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| NES 337-021-MN80 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| NES 337-1984 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| BSM48-021 | K7766 | BRITISH STANDARDS INSTITUTION |
| NES337-021-MN80-(N83B) | U6183 | PRECISION POLYMER ENGINEERING LIMITE |