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| 250-0081 | 85604 | KEPCO, INC. |
| 28464-014 | U2632 | MARCONI INSTRUMENTS LTD SERVICE DIVI ION |
| 28464-014S | U2632 | MARCONI INSTRUMENTS LTD SERVICE DIVI ION |
| 307-610 | K2504 | RS COMPONENTS LIMITED |
| 57-006-7490 | K7810 | ROCC COMPUTERS LTD |
| 74LS90 | 07263 | FAIRCHILD SEMICONDUCTOR CORP |
| 74LS90PC | 07263 | FAIRCHILD SEMICONDUCTOR CORP |
| 939353I | K0215 | RACAL COMMUNICATIONS SYSTEMS LTD |
| 939358 | K0215 | RACAL COMMUNICATIONS SYSTEMS LTD |
| BL2667940 | D0894 | ROHDE & SCHWARZ GMBH & CO. KOMMANDITGESELLSCHAFT |
| N74LS90A | 18324 | PHILIPS SEMICONDUCTORS INC |
| N74LS90N | 18324 | PHILIPS SEMICONDUCTORS INC |
| SN74LS90N | 01295 | TEXAS INSTRUMENTS INCORPORATED |
| SN74LS90NA | C7191 | ADELCO ELEKTRONIK GMBH |