| 20874-62 | 28569 | HICKOK WAEKON LLC |
| 697533-000 | 12436 | BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. |
| 697533-000 | 14100 | STROMBERG-CARLSON CORP A PLESSEY TELECOMMUNICATIONS CO |
| 6C4 | 04655 | GENERAL DYNAMICS MISSION SYSTEMS, INC. |
| 6C4 | 80131 | ELECTRONIC INDUSTRIES ASSOCIATION |
| 6C4 | D1180 | EPCOS AG ABT. PR ROE K PM |
| 84-6C4 | 38597 | LOCKHEED MARTIN CORPORATION |
| BS-6C4 | K0577 | BRITISH SAROZAL LTD |
| MILE1-55 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |