| ASCC 17/27-226 | 99237 | AIRFORCE-NAVY AERONAUTICAL DESIGN STANDARD |
| BS1806 | K7766 | BRITISH STANDARDS INSTITUTION |
| FRS44000 | K2523 | EATON LIMITED |
| BS1806-226 | K7766 | BRITISH STANDARDS INSTITUTION |
| BSM48-226 | K7766 | BRITISH STANDARDS INSTITUTION |
| FRS44000 | U1918 | MISSION SYSTEMS WIMBORNE LIMITED |