| 10AC5423 | U1725 | MINISTRY OF DEFENCE AIR DOMESTIC R FERENCE NUMBER USE ONLY |
| BS1981 | K7766 | BRITISH STANDARDS INSTITUTION |
| CPF00532 | K0189 | KONGSBERG MARITIME LIMITED |
| PF47641-432 | K0668 | LEONARDO UK LTD |
| BS1981-6-32UNCX1-SST TABLE 12 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS1981-TABLE 12 6 UNC X 1 | K7766 | BRITISH STANDARDS INSTITUTION |