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Federal Supply Classes

Browse Federal Supply Classes commonly used in aerospace, avionics, radar, communications, and defense-related applications.

FSC 5905
Resistors

Passive electronic components used to control current flow, voltage levels, and signal conditioning in avionics, communications, radar, and defense electronic assemblies.

FSC 5910
Capacitors

Electronic capacitors used for energy storage, filtering, timing, and power conditioning across aerospace, communications, and military electronic systems.

FSC 5925
Circuit
breakers

Electrical protection devices designed to safeguard aircraft, ground, and naval systems from overloads, faults, and short circuits.

 

FSC 5930
Switches

Electrical switching devices used throughout airborne, ground, naval, and industrial platforms for system control and power management.

 

FSC 5935
Connectors

Electrical connectors used in avionics, communications, radar, and aerospace applications requiring reliable interconnection of electronic systems.

FSC 5945
Relays

Electromechanical and solid-state relay devices supporting power distribution, control circuits, and mission-critical aerospace and defense equipment.

FSC 5960
Electron Tubes

Vacuum tubes and related devices supporting legacy aerospace, communications, radar, and military electronic systems.

FSC 5961
Semiconductor Devices

Discrete semiconductor components including diodes, transistors, rectifiers, and related devices used in aerospace and defense electronics.

FSC 5962
Microcircuits

Integrated circuits supporting avionics, communications, navigation, radar, and mission-critical electronic applications.

FSC 5963
Electronic Modules

Electronic assemblies and modular devices supporting avionics, communications equipment, control systems, and defense electronics.

FSC 5965 Audio Devices

Audio communication equipment including headsets, microphones, speakers, handsets, and related accessories used in military and aerospace environments.

FSC 5985 Antennas & Waveguides

RF, microwave, antenna, and waveguide components supporting communications, navigation, electronic warfare, and radar systems.

FSC 5990 Synchros & Resolvers

Precision position-sensing devices used in aircraft instruments, fire-control systems, navigation equipment, and electromechanical control applications.

FSC 6105 Electric Motors

Electric motors used in aerospace, defense, industrial, and electromechanical systems supporting motion control and power transmission functions.

Additional Categories

Directory coverage is continuously expanding to include additional Federal Supply Classes and related NSN families.