| BS1981 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS1981-4-40UNCX3/8-SST TABLE 4 | K7766 | BRITISH STANDARDS INSTITUTION |
| CPF000528 | K0189 | KONGSBERG MARITIME LIMITED |
| WE128B | K1806 | MINISTRY OF DEFENCE, DE&S UNDERWATER AND ELECTRONIC WARFARE PT (UEW IPT) |
| BS1981-TABLE 4 4 UNC X 3/8 | K7766 | BRITISH STANDARDS INSTITUTION |