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NSN 5985-01-255-6180

Tower Waveguide

About this product

10.250 to 10.450 ghz; isolation 22 db min; operating temperature minus 20 to plus 60 deg c.

Manufacturer part number 90TH649 for national stock number 5985012556180.

Datasheet

  • Product description

    Waveguide Assembly NSN 5985-01-255-6180.

  • MPN or Model

    90TH649

  • 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.)
    2 lb
  • Cross Sectional Shape
    Internal, rectangular external, rectangular
  • Thread Class
    2b all flanges all connection facilities
  • Thread Direction
    Right-hand all flanges all connection facilities
  • End Application
    Missile guidance and tracking set an/spg-55b
  • Tubing Wall Construction Style
    Seamless all tubing segment
  • Flange Quantity
    4
  • Flange Inside Width
    1.003 inches all flanges
  • Flange Inside Height
    0.503 inches all flanges
  • Flange Outside Width
    1.610 inches all flanges and 1.640 inches all flanges
  • Flange Outside Height
    1.610 inches all flanges and 1.640 inches all flanges
  • Flange Depth
    0.423 inches all flanges and 0.453 inches all flanges
  • Voltage Standing Wave Ratio
    1.20
  • Insertion Loss In Decibels
    0.30
  • Thready Qty Per Inch (tpi)
    32 all flanges all connection facilities
  • Maximum Operating Pressure
    10.0 pounds per square inch gage
  • Waveguide Outside Width
    Between 0.996 inches and 1.004 inches
  • Thread Size
    0.164 inches all flanges 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
  • Criticality Code Justification
    Supp
  • Waveguide Outside Height
    Between 0.496 inches and 0.504 inches
  • Flange Connecting Facility And Quantity
    4 threaded hole all flanges all connection facilities
  • Flange Style
    Cover type all flanges
  • Waveguide Length
    4.130 inches
  • Flexibility
    Rigid all tubing segment
  • Material
    Aluminum alloy all tubing segment and flange
  • Surface Treatment
    Chromate all tubing segment and flange outside surfaces and paint all tubing segment and flange outside surfaces
  • Style Designator
    Tee, hybrid type
  • Supplementary Features
    Magnetic material: keep 4.000 in. Apart, do not store on metal
  • Thread Series Designator
    Unc all flanges all connection facilities
  • Fsc Application Data
    Antennas, waveguides, and related equipment
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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 5985012556180

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
90TH649 Microwave Development Laboratories,
5942676 Meggitt (baltimore) Inc.
5942676 Naval Sea Systems Command
1206931 Lockheed Martin Corporation
5942676 Atlantic Microwave Corporation
Stock Check
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