| BS4518 TABLE 1-0444-41 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS4518-TABLE 1 0444-41 | K7766 | BRITISH STANDARDS INSTITUTION |
| DEFSTAN02-337-0444-41-FC70 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| NES 337 PART 1 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |