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Waveguide Assembly

Model / MPN: 221790 | NSN: 5985-00-538-5352
ITAR Registered seal

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.

Product Details
NATO Stock Number
5985-00-538-5352
Sold in multiples of
1 EA
DEMIL
DEMIL/MLI
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
2.834 inches first flange and 2.846 inches first flange
Flange Inside Width
3.002 inches second flange and 3.005 inches second flange
Flange Inside Height
1.494 inches first flange and 1.506 inches first flange
Flange Inside Height
1.502 inches second flange and 1.505 inches second flange
Flange Outside Diameter
5.298 inches second flange and 5.328 inches second flange
Flange Outside Diameter
5.298 inches first flange and 5.328 inches first flange
Flange Depth
0.735 inches second flange and 0.765 inches second flange
Flange Depth
1.235 inches first flange and 1.265 inches first flange
Flange Connecting Hole Diameter
0.257 inches second flange all connection facilities and 0.260 inches second flange all connection facilities
Insertion Loss In Decibels
0.05
Thready Qty Per Inch (tpi)
20 first flange all connection facilities
Waveguide Outside Width
Between 2.994 inches and 3.006 inches
Thread Size
0.250 inches first flange all connection facilities
Waveguide Inside Width
Between 2.334 inches and 2.846 inches
Waveguide Inside Height
Between 1.334 inches and 1.346 inches
Waveguide Outside Height
Between 1.494 inches and 1.506 inches
Flange Connecting Facility And Quantity
8 threaded hole first flange all connection facilities
Flange Connecting Facility And Quantity
8 unthreaded hole second flange all connection facilities
Flange Style
Choke type first flange
Flange Style
Cover type second flange
Waveguide Length
2.000 feet
Flexibility
Flexible single tubing segment
Material
Copper alloy all tubing segment and flange
Precious Material And Location
Flange surface silver
Precious Material
Silver
Surface Treatment
Silver all flange inside surfaces
Style Designator
Straight type
Thread Series Designator
Unc first flange all connection facilities
Fsc Application Data
Antennas, waveguides, and related equipment
22179 Series Parts

Pricing and Availability

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221790 Cross Reference
  • 176B785
  • 176B785
  • CG945U
  • 176B785