| 100-451-0270 | U1068 | TRELLEBORG SEALING SOLUTIONS (UK)LTD |
| 10AC4169 | U1725 | MINISTRY OF DEFENCE AIR DOMESTIC R FERENCE NUMBER USE ONLY |
| ASCC17-27B | 99237 | AIRFORCE-NAVY AERONAUTICAL DESIGN STANDARD |
| BS1806-451 | K7766 | BRITISH STANDARDS INSTITUTION |
| BSM48-451 | K7766 | BRITISH STANDARDS INSTITUTION |