| 019 | K7766 | BRITISH STANDARDS INSTITUTION |
| 081587 | K7776 | AMETEK AIRTECHNOLOGY GROUP LIMITED |
| ASCC17-27C-019 | 99237 | AIRFORCE-NAVY AERONAUTICAL DESIGN STANDARD |
| BS1806 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS1806-019 | K7766 | BRITISH STANDARDS INSTITUTION |
| 081587-99 | K7776 | AMETEK AIRTECHNOLOGY GROUP LIMITED |
| BSM48-019 | K7766 | BRITISH STANDARDS INSTITUTION |