| 32A9425050 | U1725 | MINISTRY OF DEFENCE AIR DOMESTIC R FERENCE NUMBER USE ONLY |
| BS EN 698 | K7766 | BRITISH STANDARDS INSTITUTION |
| EN 698 | I9006 | COMITE EUROPEEN DE NORMALISATION |
| C3213 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| DEFSTAN40-3 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| BS2052-TABLE 1 | K7766 | BRITISH STANDARDS INSTITUTION |
| FRSIS28 | U4207 | SURVITEC SERVICE & DISTRIBUTIONLIMITED |