| 1B335 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| 200-335-0105 | U1068 | TRELLEBORG SEALING SOLUTIONS (UK)LTD |
| 335N1857-1 | K0013 | HALL AND HALL LTD |
| 300159A334 | K1489 | FEDERAL MOGUL SEALING SYSTEMS (CARDIFF) LTD |
| BS1806 | K7766 | BRITISH STANDARDS INSTITUTION |
| 335N1857-1 | U4330 | HALLITE SEALS INTERNATIONAL LTD T/A I POLYTEK |
| SSML7-17 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| SSML7-17-1B335 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| BSM48-335 | K7766 | BRITISH STANDARDS INSTITUTION |
| PD2750AP6519 | U0848 | PIONEER WESTON |