| ASCC17-27B | 99237 | AIRFORCE-NAVY AERONAUTICAL DESIGN STANDARD |
| BS1806-022 | K7766 | BRITISH STANDARDS INSTITUTION |
| HTE1882 | K2523 | EATON LIMITED |
| HTE1882 | K2617 | HIGH TEMPERATURE ENGINEERS LTD |
| BSM48-022 | K7766 | BRITISH STANDARDS INSTITUTION |
| HTE1882 | U1918 | MISSION SYSTEMS WIMBORNE LIMITED |