NSN 5985-00-172-6278

Tower Waveguide

About this product

1st flange includes rf/pressure seal w/ 0.625 in. Lg screw and lockwasher; flexible portion covered w/ molded neoprene or silicone jacket depending on use.

Manufacturer part number TDRFT14026 for national stock number 5985001726278.


  • Product description

    Waveguide Assembly NSN 5985-00-172-6278.

  • MPN or Model


  • 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
  • Unit Weight (Est.)
    0.3 lb
  • Unable To Decode
    Internal, rectangular double ridged external, rectangular
  • Thread Class
    2b second flange first connection facility
  • Thread Direction
    Right-hand second flange first connection facility
  • Unable To Decode
    Seamless second tubing segment
  • Flange Quantity
  • Flange Connecting Hole Diameter
    0.140 inches first flange all connection facilities and 0.0154 inches first flange all connection facilities
  • Voltage Standing Wave Ratio
  • Waveguide Outside Width
    0.791 inches
  • Thread Size
    0.138 inches second flange first connection facility
  • Waveguide Inside Width
    0.691 inches
  • Waveguide Inside Height
    0.321 inches
  • Waveguide Outside Height
    0.421 inches
  • Flange Connecting Facility And Quantity
    2 unthreaded hole second flange second connection facility
  • Waveguide Length
    Between 22.890 inches and 22.950 inches
  • Waveguide Center To Center Distance
    Between 1.630 inches and 1.690 inches
  • Flexibility
    Rigid second tubing segment
  • Material
    Rubber chloroprene single tubing jacket or rubber silicone single tubing jacket
  • Precious Material And Location
    All surfaces silver
  • Precious Material
  • Surface Treatment
    Silver first tubing segment all surfaces
  • Style Designator
    Offset bend type
  • Thread Series Designator
    Unc second flange first connection facility
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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

Pricing and Availability

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NSN 5985001726278

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
TDRFT14026 Microwave Engineering Corporation
32-87850-55 Boeing Company, The
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