| 11439 | K4131 | NORGREN MARTONAIR LTD |
| 17-27B | 99237 | AIRFORCE-NAVY AERONAUTICAL DESIGN STANDARD |
| 1941-01 | K4131 | NORGREN MARTONAIR LTD |
| BS1806-235 | K7766 | BRITISH STANDARDS INSTITUTION |
| BSM48-235 | K7766 | BRITISH STANDARDS INSTITUTION |
| 200-235-4475 | U1068 | TRELLEBORG SEALING SOLUTIONS (UK)LTD |
| R4312 | K0640 | FREUDENBERG TECHNICAL PRODUCTS |