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Waveguide Assembly

Model / MPN: 498885-401 | NSN: 5985-00-708-9310
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
5985-00-708-9310
Sold in multiples of
DEMIL
DEMIL/MLI
Cross Sectional Shape
Internal, rectangular external, rectangular
End Application
Radar set an/tpn-12
Tubing Wall Construction Style
Seamless all tubing segment
Flange Quantity
2
Flange Connecting Hole Diameter
0.169 inches second flange all connection facilities and 0.172 inches second flange all connection facilities
Voltage Standing Wave Ratio
1.05
Waveguide Outside Width
Between 1.246 inches and 1.254 inches
Waveguide Inside Width
Between 1.118 inches and 1.126 inches
Waveguide Inside Height
Between 0.493 inches and 0.501 inches
Waveguide Outside Height
Between 0.621 inches and 0.629 inches
Waveguide Longer Offset Distance
29.438 inches
Flange Connecting Facility And Quantity
4 unthreaded hole second flange all connection facilities
Flange Style
Choke type second flange
Flexibility
Rigid all tubing segment
Material
Copper alloy first flange
Material
Copper alloy all tubing segment
Precious Material And Location
External surfaces silver
Precious Material
Silver
Surface Treatment
Chromate second flange outside surfaces and paint second flange outside surfaces
Surface Treatment
Chromate zinc all tubing segment outside surfaces and paint all tubing segment outside surfaces
Surface Treatment
Chromate zinc first flange outside surfaces and paint first flange outside surfaces
Style Designator
Bend type
Supplementary Features
First flange cover style; silver plate brass parts only
Fsc Application Data
Antennas, waveguides, and related equip.
498885 Series Parts

Pricing and Availability

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498885-401 Cross Reference
  • 498885-401
  • 498885-401