| 0630200 | U1640 | SPIRAX-SARCO ENGINEERING PLC |
| 1630100 | U1640 | SPIRAX-SARCO ENGINEERING PLC |
| FIG 12 | U1640 | SPIRAX-SARCO ENGINEERING PLC |
| FIG.12Y | U1640 | SPIRAX-SARCO ENGINEERING PLC |
| TIS 7.401 UK | U1640 | SPIRAX-SARCO ENGINEERING PLC |
| 99-075-4830 | U9199 | MINISTRY OF DEFENCE UNITED KINGDOM NATIONAL CODIFICATION BUREAU (UKNCB)TASKING, DETAILS FOR CANCELLED NSN'S(CSC D) |
| TIS 7.430 INT | U1640 | SPIRAX-SARCO ENGINEERING PLC |