| 1B442 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| 200-442-0105 | U1068 | TRELLEBORG SEALING SOLUTIONS (UK)LTD |
| BS1806-442 | K7766 | BRITISH STANDARDS INSTITUTION |
| BSM48-442 | K7766 | BRITISH STANDARDS INSTITUTION |
| 5-404720-1 | U0834 | VOKES AIR FILTERS LTD |
| B5404720 | U0834 | VOKES AIR FILTERS LTD |
| SSML7-17 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| SSML7-17-1B442 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |