| 1RM3-A0-0100-S390. | U4290 | G E C MARCONI S3I LTD COMBAT SYSTEMS IVISION |
| 1RM3-A0-0100-S390ASTERISK | U4290 | G E C MARCONI S3I LTD COMBAT SYSTEMS IVISION |
| 1RM3A00100S390. | K3902 | BAE SYSTEMS MARITIME SERVICES |
| 1RM3A00100S390ASTERISK | K3902 | BAE SYSTEMS MARITIME SERVICES |
| 28021-6657001 | K0663 | FERRANTI TECHNOLOGIES LTD |
| 28021-6657001 | K8084 | FERRANTI INTERNATIONAL PLC |
| BSCECC 40101 019 | K7766 | BRITISH STANDARDS INSTITUTION |
| BU203-0-136-439L | K0268 | RAYTHEON SYSTEMS LIMITED |
| CECC 00200 | I9003 | CENELEC ELECTRONIC COMPONENTS COMITTEE (CECC) |
| CMF51 390R F T-1 | U0142 | VISHAY COMPONENTS UK LTD |
| MFR3 390R+/-1% | U1395 | WELWYN COMPONENTS LTD |
| PD9002 | K7766 | BRITISH STANDARDS INSTITUTION |
| VA-47-0196-046 | K0668 | LEONARDO UK LTD |
| VA-47-0196-046 | K6961 | G E C SENSORS LTD |
| VA-47-0196-046 | U2248 | SELEX ELSAG LTD |