| 1L268 | U1725 | MINISTRY OF DEFENCE AIR DOMESTIC R FERENCE NUMBER USE ONLY |
| 547-240 | K2504 | RS COMPONENTS LIMITED |
| DHM4 | K0301 | BRITOOL LTD |
| DEFSTAN51-11 PART 4 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| BS4006 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS4006-TABLE 4 4MM | K7766 | BRITISH STANDARDS INSTITUTION |
| DHM4 | K0711 | FACOM UK LTD |
| DL-9-A | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| H6788 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| TABLE I(A) 4MM | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| ESM404 | U1500 | ABINGDON KING DICK |