NSN 5985-00-001-1869

Tower Waveguide

About this product

Internal, rectangular double ridged external, rectangular cross sectional shape, seamless second tubing segment tubing wall construction style, 2 flanges, flange connecting hole diameter: 0.144 inches first flange all connection facilities.

Manufacturer part number TDRFT14025 for national stock number 5985000011869.


  • Product description

    Waveguide Assembly NSN 5985-00-001-1869.

  • 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.)
    4 lb
  • Cross Sectional Shape
    Internal, rectangular double ridged external, rectangular
  • Thread Class
    2a second flange all connection facilities
  • Thread Direction
    Right-hand second flange all connection facilities
  • Tubing Wall Construction Style
    Seamless second tubing segment
  • Flange Quantity
  • Flange Connecting Hole Diameter
    0.144 inches first flange all connection facilities
  • Voltage Standing Wave Ratio
  • Thread Size
    0.138 inches second flange all connection facilities
  • Flange Connecting Facility And Quantity
    4 unthreaded hole first flange all connection facilities
  • Flange Style
    Contact, double ridge type all flanges
  • Waveguide Length
    1.416 feet
  • Waveguide Center To Center Distance
    8.750 inches
  • Flexibility
    Rigid second tubing segment
  • Material
    Rubber natural all tubing jacket
  • Precious Material And Location
    Internal surfaces silver
  • Precious Material
  • Surface Treatment
    Silver first tubing segment inside surfaces
  • Style Designator
    Offset bend type
  • Thread Series Designator
    Unc second flange all connection facilities
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 5985000011869

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
TDRFT14025 Microwave Engineering Corporation
TDRFT14205 Microwave Engineering Corporation
32-87850-53 Boeing Company, The
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