| 7691-1413 | K1488 | BRITISH AEROSPACE PLC NAVAL AND ELECTRONIC SYSTEMS DIVISION |
| 7691-1413 | U6441 | ATLANTIC INERTIAL SYSTEMS LIMITED |
| SK7691-1413 | K1488 | BRITISH AEROSPACE PLC NAVAL AND ELECTRONIC SYSTEMS DIVISION |
| BS1981 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS1981-TABLE 14 4 UNC X 5/32 | K7766 | BRITISH STANDARDS INSTITUTION |
| SK7691-1413 | U6441 | ATLANTIC INERTIAL SYSTEMS LIMITED |