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| BS1806-250 | K7766 | BRITISH STANDARDS INSTITUTION |
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| 81-88-50-250 | U8616 | JAMES WALKER & CO LTD |
| 99-804-6841 | U9199 | MINISTRY OF DEFENCE UNITED KINGDOM NATIONAL CODIFICATION BUREAU (UKNCB)TASKING, DETAILS FOR CANCELLED NSN'S(CSC D) |
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| NES 337-1984 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| NES 337-250-MN90 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
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