| 17-27C-230 | 99237 | AIRFORCE-NAVY AERONAUTICAL DESIGN STANDARD |
| 200-230-4460 | U1068 | TRELLEBORG SEALING SOLUTIONS (UK)LTD |
| 504-505B90 | K1565 | SAVAGE AND PARSONS |
| 9017-36-60 | KC8U1 | GARDNER DENVER LIMITED |
| 9017-36-60 | U0832 | HAMWORTHY BELLISS & MORCOM LTD |
| 930-939151 | U1278 | MINISTRY OF DEFENCE NAVY |
| BS1806-230 | K7766 | BRITISH STANDARDS INSTITUTION |
| BSM48-230 | K7766 | BRITISH STANDARDS INSTITUTION |