FSC 5985 Antennas, Waveguides, and Related Equipment

Includes Aerials; Masts; Tower Equipment; Attenuators; Couplers; Transmission Lines. Excludes Tower Structures.

Name NSN Details  
Antenna Pedestal Subassembly 5985-01-504-1929 Two or more different types of items having a common mounting or mounted on each other which together form a portion of an antenna pedestal but which in itself is not a complete functioning item and cannot be assigned a more definite item name. RFQ
Diplexer 5985-01-504-2224 An item designed to allow a single antenna to be used for simultaneous transmission and reception on different frequencies. It is installed in a transmission line or waveguide system between the transmitter(s) and/or receivers and a common antenna. It may have provisions for tuning. RFQ
Adapter,waveguide 5985-01-504-2337 An item designed to establish the necessary accommodations to connect a waveguide to a coaxial line, or to connect two or more terminated waveguides whose physical design does not normally allow connection. RFQ
Diplexer 5985-01-504-2499 An item designed to allow a single antenna to be used for simultaneous transmission and reception on different frequencies. It is installed in a transmission line or waveguide system between the transmitter(s) and/or receivers and a common antenna. It may have provisions for tuning. RFQ
Sleeve,antenna Support 5985-01-504-2501 A cylinder whose ratio of axial length to the outside diameter is four to one or greater, and which is used with an antenna support. RFQ
Coupler,rotary,radio Frequency 5985-00-008-1839 An item which provides a means of transfer of electrical energy between two components or sets, and which is specifically designed to permit one section of a transmission line or waveguide to rotate continuously with respect to another, and still maintain radio frequency continuity. RFQ
Pedestal,antenna 5985-01-504-2513 An item specifically designed to support and rotate an antenna(s). It may also support related components such as transmitters, receivers, or modulators. It may include accessory items such as drive motors, synchros, contactors, or collector rings. See also TOWER. RFQ
Antenna Support Group 5985-01-504-2517 A collection of items supporting an antenna. May include integral components. RFQ
Switch,waveguide 5985-01-504-2537 An item specifically designed for mechanically or electronically positioning one or more waveguide sections so as to couple it or them to other sections in a waveguide system. The switching function may be operated by a manual actuator, an electromechanical actuator or by means of an arrangement of semiconductors and passive circuit devices. Excludes RELAY, (as modified). RFQ
Attenuator,variable 5985-01-504-2566 A device for reducing the strength of an alternating current signal either continuously or in steps, without causing appreciable signal distortion, by maintaining substantially constant output and/or input impedance match. Continuously variable resistive devices must consist of at least two sections or one section with at least two rotating contacts. The item must have an overall attenuation rating. Includes tandem mounted variable resistors designed to function as an attenuator but whose terminals are not connected. See also RESISTOR, VAIABLE (as modified). RFQ
Antenna 5985-01-504-3045 An item consisting of a conductor or a system of conductors specifically designed to radiate and/or receive electromagnetic waves in free space. May include beam-forming devices, drive motors, synchros, radome, and associated mechanical structure. RFQ
Horn,waveguide 5985-01-504-3590 A hollow conductor of varying cross-sectional area specifically designed to achieve directional characteristics in radio frequency radiating and receiving systems. RFQ
Horn,waveguide 5985-01-504-3588 A hollow conductor of varying cross-sectional area specifically designed to achieve directional characteristics in radio frequency radiating and receiving systems. RFQ
Drive,antenna 5985-01-504-3583 A device which may rotate or position an antenna in response to and external control signal. It is not designed to support an antenna. RFQ
Control,antenna 5985-01-504-3585 An item which provides the means for selecting the mode of operation or to direct the DRIVE, ANTENNA to carry out the input instructions. For items which provide coordinate information, see PROGRAMMER, ANTENNA POSITION. RFQ
Dummy Load,electrical 5985-01-504-3595 A specific electrical element or set of electrical elements that are connected together to form a fixed arrangement and used as a substitute load for terminating an electrical circuit. A dummy load contains all the essential electrical characteristics necessary to terminate the circuit but does not function in the same manner as the load which it replaces. Examples are resistors used to replace antennas, batteries, loudspeakers, or the like. Includes single port terminations of twin lead, coaxial and waveguide transmission lines as low power terminations of a section of a transmission system in a specified manner. Includes dummy loads when arranged in a group or bank. Excludes power absorbers. See also LOAD BANK, ELECTRICAL. RFQ
Coupler,directional 5985-01-504-4043 An item specifically designed to be inserted into a transmission line, waveguide or coaxial transmission line to provide a suitable test outlet. The test signal is attenuated to a predetermined value. RFQ
Antenna 5985-01-504-4122 An item consisting of a conductor or a system of conductors specifically designed to radiate and/or receive electromagnetic waves in free space. May include beam-forming devices, drive motors, synchros, radome, and associated mechanical structure. RFQ
Accessory Kit,antenna 5985-01-504-4196 An accessory kit designed to connect an ANTENNA to a trailer or other equipment, consisting of guy wires, stakes, miscellaneous hardware, and the like. Excludes ANTENNA COUPLER GROUP. RFQ
Diplexer 5985-00-008-5768 An item designed to allow a single antenna to be used for simultaneous transmission and reception on different frequencies. It is installed in a transmission line or waveguide system between the transmitter(s) and/or receivers and a common antenna. It may have provisions for tuning. RFQ