| 200-233-4460 | U1068 | TRELLEBORG SEALING SOLUTIONS (UK)LTD |
| ASCC17-27C-233 | 99237 | AIRFORCE-NAVY AERONAUTICAL DESIGN STANDARD |
| BS1806-233 | K7766 | BRITISH STANDARDS INSTITUTION |
| BSM48-233 | K7766 | BRITISH STANDARDS INSTITUTION |
| PP52C11 | U1068 | TRELLEBORG SEALING SOLUTIONS (UK)LTD |