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NSN 5985-01-542-1745

Tower Waveguide

About this product

Two bend style, overall dimensions: 51.25 inches longer offset distance & 22.60 inches other offsite distance w/two 9.00 inch rad..

Manufacturer part number SM-D-720880 for national stock number 5985015421745.

Datasheet

  • Product description

    Waveguide Assembly NSN 5985-01-542-1745.

  • MPN or Model

    SM-D-720880

  • Schedule B
    8529.10.9000 (Antenna & antenna reflectors of all kinds; parts suitable for use soley or principally w/ apparatus of heading 8525 to 8528, nesoi)
  • NMF (National Motor Freight)
    063520 - Waveguide In Boxes/crates
  • Cross Sectional Shape
    Internal, rectangular external, rectangular
  • End Application
    Oe-170 (v) 1-4/fsc, antenna; next assembly a3187891 & sm-f-720902 used on dl725020 & dl794658
  • Tubing Wall Construction Style
    Seamless all tubing segment
  • Flange Quantity
    2
  • Flange Inside Width
    1.368 inches all flanges and 1.376 inches all flanges
  • Flange Inside Height
    0.618 inches all flanges and 0.626 inches all flanges
  • Flange Outside Width
    2.670 inches all flanges and 2.710 inches all flanges
  • Flange Outside Height
    1.920 inches all flanges and 1.960 inches all flanges
  • Flange Depth
    0.480 inches all flanges and 0.520 inches all flanges
  • Flange Connecting Hole Diameter
    0.192 inches all flanges all connection facilities and 0.200 inches all flanges all connection facilities
  • Voltage Standing Wave Ratio
    1.05
  • Waveguide Outside Width
    Between 1.496 inches and 1.504 inches
  • Waveguide Inside Width
    Between 1.368 inches and 1.376 inches
  • Waveguide Inside Height
    Between 0.618 inches and 0.626 inches
  • Waveguide Outside Height
    Between 0.746 inches and 0.754 inches
  • Flange Connecting Facility And Quantity
    8 unthreaded hole all flanges all connection facilities
  • Flange Style
    Contact type all flanges
  • Part Name Assigned By Controlling Agency
    Waveguide assembly, yoke to el axis
  • Specified Frequency
    Between 7.9 gigahertz and 8.4 gigahertz
  • Flexibility
    Rigid all tubing segment
  • Material
    Aluminum alloy all tubing segment and flange or copper alloy all tubing segment and flange or magnesium alloy all tubing segment and flange
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Waveguide Assembly

An item consisting of one or more definite lengths of straight or formed, flexible or rigid, prefabricated hollow tubing of conductive material. The tubing has a predetermined cross section and is designed to guide or conduct high frequency electromagnetic energy through its interior. One or more ends are terminated. May include common mounting of a switch, wave guide, a dummy load, electrical and other components such as waveguide section, cable terminal chamber and the like. Excludes coupler, rotary, radio frequency; coupler, directional; adapter, waveguide; and tuner, waveguide.

Mechanic Bill explains Tower Waveguide

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NSN 5985015421745

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
SM-D-720880 Us Army Communications &
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