| 17-27B | 99237 | AIRFORCE-NAVY AERONAUTICAL DESIGN STANDARD |
| 26DK2475 | U1725 | MINISTRY OF DEFENCE AIR DOMESTIC R FERENCE NUMBER USE ONLY |
| R187 | K0640 | FREUDENBERG TECHNICAL PRODUCTS |
| BS1806-343 | K7766 | BRITISH STANDARDS INSTITUTION |
| BSM48-343 | K7766 | BRITISH STANDARDS INSTITUTION |
| 26TV2394 | U1725 | MINISTRY OF DEFENCE AIR DOMESTIC R FERENCE NUMBER USE ONLY |
| R187P60 | K0640 | FREUDENBERG TECHNICAL PRODUCTS |
| R6375ML5391 | K0640 | FREUDENBERG TECHNICAL PRODUCTS |
| R187 | U0028 | FREUDENBERG ANGUS |