Model #257CF

Waveguide assembly (NSN 5985-01-332-6622)

Special Features
Operating temperature range 0 to 75 degrees celsius
Description

2b first flange all connection facilities thread class, copper alloy single tubing segment and flange material, paint single tubing segment and flange outside surfaces and primer single tubing segment and flange outside surfaces surface treatment, unc first flange all connection facilities thread series designator.

Cross Sectional Shape
Internal, rectangular external, rectangular
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
1.118 inches first flange and 1.126 inches first flange
Flange Inside Width
1.253 inches second flange
Flange Inside Height
0.493 inches first flange and 0.501 inches first flange
Flange Inside Height
0.628 inches second flange
Flange Outside Width
1.860 inches first flange and 1.890 inches first flange
Flange Outside Width
1.860 inches second flange and 1.890 inches second flange
Flange Outside Height
1.860 inches first flange and 1.890 inches first flange
Flange Outside Height
1.860 inches second flange and 1.890 inches second flange
Flange Inside Diameter
1.610 inches first flange and 1.640 inches first flange
Flange Depth
0.423 inches second flange and 0.453 inches second flange
Flange Depth
0.610 inches first flange and 0.640 inches first flange
Flange Connecting Hole Diameter
0.170 inches second flange all connection facilities
Voltage Standing Wave Ratio
1.05
Maximum Operating Pressure
16.0 pounds per square inch gage
Waveguide Outside Width
Between 1.246 inches and 1.254 inches
Thread Size
0.164 inches first flange all connection facilities
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
Between 2.235 inches and 2.265 inches
Flange Connecting Facility And Quantity
4 threaded hole first flange all connection facilities
Flange Connecting Facility And Quantity
4 unthreaded hole second flange all connection facilities
Flange Style
Choke type first flange
Flange Style
Cover type second flange
Waveguide Offset Distance
Between 2.235 inches and 2.265 inches
Flexibility
Rigid single tubing segment
Precious Material And Location
Internal surfaces rhodium and internal surfaces silver
Precious Material
Rhodium and silver
Style Designator
Bend type
Fsc Application Data
Radar equipment
Description
Waveguide Assembly
Cage Code
6L254

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Updated: 11/01/2024