| 2227250 | 28527 | L3HARRIS TECHNOLOGIES, INC. |
| 2N427 | 49956 | RAYTHEON COMPANY |
| 2N427 | 80131 | ELECTRONIC INDUSTRIES ASSOCIATION |
| 2N427 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| MIL-S-19500/41 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |