| 17-27B | 99237 | AIRFORCE-NAVY AERONAUTICAL DESIGN STANDARD |
| 26SW308 | U1278 | MINISTRY OF DEFENCE NAVY |
| P8550DS65 | K0640 | FREUDENBERG TECHNICAL PRODUCTS |
| BS1806-433 | K7766 | BRITISH STANDARDS INSTITUTION |
| BSM48-433 | K7766 | BRITISH STANDARDS INSTITUTION |
| 26SW308 | U1725 | MINISTRY OF DEFENCE AIR DOMESTIC R FERENCE NUMBER USE ONLY |
| R214DS65 | K0640 | FREUDENBERG TECHNICAL PRODUCTS |