1-321-802-5889

NSN 5985-01-368-8491

Tower Waveguide

About this product

Internal, rectangular external, rectangular cross sectional shape, seamless single tubing segment tubing wall construction style, 2 flanges, flange inside height: 0.396 inches first flange and 0.404 inches first flange0.396 inches second flange and 0.404 inches second flange.

Manufacturer part number 1388409-1 for national stock number 5985013688491.

Datasheet

  • Product description

    Waveguide Assembly NSN 5985-01-368-8491.

  • MPN or Model

    1388409-1

  • 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
  • Thread Class
    2b first flange all connection facilities
  • Thread Direction
    Right-hand first flange all connection facilities
  • Tubing Wall Construction Style
    Seamless single tubing segment
  • Flange Quantity
    2
  • Flange Inside Width
    0.896 inches first flange and 0.904 inches first flange0.896 inches second flange and 0.904 inches second flange
  • Flange Inside Height
    0.396 inches first flange and 0.404 inches first flange0.396 inches second flange and 0.404 inches second flange
  • Flange Outside Width
    1.610 inches first flange and 1.630 inches first flange1.610 inches second flange and 1.630 inches second flange
  • Flange Outside Height
    1.610 inches first flange and 1.630 inches first flange1.610 inches second flange and 1.630 inches second flange
  • Flange Depth
    0.423 inches first flange and 0.453 inches first flange0.423 inches second flange and 0.453 inches second flange
  • Flange Connecting Hole Diameter
    0.169 inches second flange all connection facilities and 0.172 inches second flange all connection facilities
  • Maximum Operating Pressure
    15.0 pounds per square inch gage
  • Waveguide Outside Width
    Between 0.996 inches and 1.004 inches
  • Thread Size
    0.164 inches first flange all connection facilities
  • Waveguide Inside Width
    Between 0.896 inches and 0.904 inches
  • Waveguide Inside Height
    Between 0.396 inches and 0.404 inches
  • Waveguide Outside Height
    Between 0.496 inches and 0.504 inches
  • Flange Connecting Facility And Quantity
    4 threaded hole first flange all connection facilities4 unthreaded hole second flange all connection facilities
  • Flange Style
    Choke type first flangecover type second flange
  • Waveguide Length
    17.022 inches
  • Waveguide Center To Center Distance
    2.375 inches
  • Flexibility
    Rigid single tubing segment
  • Material
    Aluminum alloy first tubing jacketaluminum alloy second tubing jacketaluminum alloy single tubing segment
  • Style Designator
    Offset bend type
  • Thread Series Designator
    Unc first 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 5985013688491

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
1388409-1 Lockheed Martin Corporation
5946173-1 Naval Sea Systems Command
1388409-1 Lockheed Martin Corporation
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