| 0413-2247 | U1278 | MINISTRY OF DEFENCE NAVY |
| 0413-923-5825 | U1278 | MINISTRY OF DEFENCE NAVY |
| 17-27B | 99237 | AIRFORCE-NAVY AERONAUTICAL DESIGN STANDARD |
| 256 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS1806-256 | K7766 | BRITISH STANDARDS INSTITUTION |
| 200-256-4475 | U1068 | TRELLEBORG SEALING SOLUTIONS (UK)LTD |
| BSM48-256 | K7766 | BRITISH STANDARDS INSTITUTION |
| PP52B34 | U1068 | TRELLEBORG SEALING SOLUTIONS (UK)LTD |