| 17-27B | 99237 | AIRFORCE-NAVY AERONAUTICAL DESIGN STANDARD |
| 5UA7053 | U1278 | MINISTRY OF DEFENCE NAVY |
| NK9135 | K4358 | SAFRAN ELECTRICAL & POWER UK LTD |
| BS1806-332 | K7766 | BRITISH STANDARDS INSTITUTION |
| BSM48-332 | K7766 | BRITISH STANDARDS INSTITUTION |
| 5UA7053 | U1725 | MINISTRY OF DEFENCE AIR DOMESTIC R FERENCE NUMBER USE ONLY |
| R163 | K0640 | FREUDENBERG TECHNICAL PRODUCTS |
| R6237 | K0640 | FREUDENBERG TECHNICAL PRODUCTS |