| 28726 | Circuit Cards | Electronic Equipment, Components, Parts, And Accessories (See Class 730 For Testing Or Analyzing Type) |
| 28742 | Microprocessors (CPU Chips, etc.) | Electronic Equipment, Components, Parts, And Accessories (See Class 730 For Testing Or Analyzing Type) |
| 28748 | Microwave Equipment and Accessories: Band Pass Filters, Coaxial Attenuators, Couplers, Switchers, Tellurometers, Tuners, Wave Guides, (Not Communication Type) | Electronic Equipment, Components, Parts, And Accessories (See Class 730 For Testing Or Analyzing Type) |
| 28754 | Power Supplies, Computer Room | Electronic Equipment, Components, Parts, And Accessories (See Class 730 For Testing Or Analyzing Type) |
| 28772 | Shelf Hardware, Electronic: Adapters, Clips, Connectors, Dielectrics, Jacks, Lugs, Plugs, Sockets, Solder, Switches, Terminals, etc. | Electronic Equipment, Components, Parts, And Accessories (See Class 730 For Testing Or Analyzing Type) |
| 28782 | Transmitters, Emergency Alarm Type (To incl. Equipment Operation Status Reporting) | Electronic Equipment, Components, Parts, And Accessories (See Class 730 For Testing Or Analyzing Type) |
| 28796 | Wire and Cable, Electronic: Audio, Coaxial, Hook-Up, Lead-In, etc. | Electronic Equipment, Components, Parts, And Accessories (See Class 730 For Testing Or Analyzing Type) |