| 17-27C | 99237 | AIRFORCE-NAVY AERONAUTICAL DESIGN STANDARD |
| 200-236-0967 | U1068 | TRELLEBORG SEALING SOLUTIONS (UK)LTD |
| BS1806-236 | K7766 | BRITISH STANDARDS INSTITUTION |
| BSM48-236 | K7766 | BRITISH STANDARDS INSTITUTION |
| 236V70C | U1068 | TRELLEBORG SEALING SOLUTIONS (UK)LTD |