1-321-802-5889

NSN 5985-00-494-1819

Tower Waveguide

About this product

Internal, rectangular external, rectangular cross sectional shape, 90.0 single bend h-plane bend angle in deg, seamless single tubing segment tubing wall construction style, flange quantity: 2.

Manufacturer part number 990C376H02 for national stock number 5985004941819.

Datasheet

  • Product description

    Waveguide Assembly NSN 5985-00-494-1819.

  • MPN or Model

    990C376H02

  • 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.)
    0.1 lb
  • Cross Sectional Shape
    Internal, rectangular external, rectangular
  • Thread Class
    2b first flange all connection facilities
  • Thread Direction
    Right-hand first flange all connection facilities
  • Bend Angle In Deg
    90.0 single bend h-plane
  • Tubing Wall Construction Style
    Seamless single tubing segment
  • Flange Quantity
    2
  • Flange Inside Width
    0.897 inches all flanges and 0.903 inches all flanges
  • Flange Inside Height
    0.397 inches all flanges and 0.403 inches all flanges
  • Flange Outside Width
    1.610 inches all flanges and 1.640 inches all flanges
  • Flange Outside Height
    1.640 inches second flange
  • Flange Inside Diameter
    1.216 inches all flanges and 1.224 inches all flanges
  • Flange Depth
    0.422 inches all flanges and 0.453 inches all flanges
  • Voltage Standing Wave Ratio
    1.15
  • Waveguide Outside Width
    1.000 inches
  • Thread Size
    0.164 inches first flange all connection facilities
  • Waveguide Inside Width
    0.900 inches
  • Waveguide Inside Height
    0.400 inches
  • Waveguide Outside Height
    0.500 inches
  • Waveguide Longer Offset Distance
    1.690 inches
  • Flange Connecting Facility And Quantity
    4 threaded hole first flange all connection facilities
  • Flange Style
    Choke type all flanges
  • Waveguide Offset Distance
    1.690 inches
  • Flexibility
    Rigid single tubing segment
  • Material
    Aluminum all tubing segment and flange
  • Surface Treatment
    Enamel all tubing segment and flange outside surfaces
  • Style Designator
    Bend type
  • Thread Series Designator
    Unc first flange all connection facilities
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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 5985004941819

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
990C376H02 Microwave Development Laboratories,
990C376H02 Cobham Advanced Electronic Solutions
990C376H02 Waveline, Incorporated
990C376H02 Northrop Grumman Systems Corporation
Stock Check
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