| 2N2B4 | 23480 | ELECTRONIC HARDWARE CORP |
| 509-1-2M-4 | 52525 | LERCO DIV SPACE-LOK INC |
| 90-1-2G4 | 49956 | RAYTHEON COMPANY |
| 90-1WD-2G-4 | 49956 | RAYTHEON COMPANY |
| 857700 | 56232 | LOCKHEED MARTIN CORPORATION |
| D91A4MA | 99813 | JAN HARDWARE MFG CO INC |
| KMS2N2L4 | 07886 | DAR ELECTRONICS INC COMMERCIAL PRODUCTS DIV DBA NATIONAL RADIO CO |
| KMS9N2L4 | 42498 | DAR ELECTRONICS INC DBA NATIONAL RADIO CO |
| MIL-K-3926 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| KMS9N2L4 | 92149 | STRUX CORP |
| MS91528-2N2B4 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |