Model: M287/4-37-0180

Waveguide Assembly

Properties:

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
1.122 inches first flange
Flange Inside Width
1.255 inches second flange
Flange Inside Height
0.497 inches first flange
Flange Inside Height
0.630 inches second flange
Flange Outside Width
1.875 inches first flange
Flange Outside Width
1.875 inches second flange
Flange Outside Height
1.875 inches first flange
Flange Outside Height
1.875 inches second flange
Flange Inside Diameter
1.625 inches first flange
Flange Depth
0.438 inches second flange
Flange Depth
0.625 inches first flange
Flange Connecting Hole Diameter
0.169 inches second flange all connection facilities
Voltage Standing Wave Ratio
1.12
Insertion Loss In Decibels
0.06
Thready Qty Per Inch (tpi)
32 first flange all connection facilities
Maximum Operating Pressure
45.0 pounds per square inch gage
Waveguide Outside Width
1.250 inches
Thread Size
0.164 inches first flange all connection facilities
Waveguide Inside Width
1.122 inches
Waveguide Inside Height
0.497 inches
Waveguide Outside Height
0.625 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 Length
1.500 feet
Flexibility
Flexible single tubing segment
Material
Copper alloy all tubing segment and flange
Material
Rubber synthetic single tubing jacket
Precious Material And Location
External surfaces silver
Precious Material
Silver
Surface Treatment
Silver all tubing segment and flange outside surfaces
Style Designator
Straight type
Thread Series Designator
Unc first flange all connection facilities
Specification Data
81349-mil-w-287/4 government specification
NSN
5985-01-035-8123
Part Number
M287/4-37-0180
Description
Waveguide Assembly
CAGE
81349

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.

Part M287/4-37-0180 NSN 5985-01-035-8123

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00305
FIIG:
A073A0
Concept No.:
App. Key:
B
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
P
PMIC:
S
ESD:
ESD:
MMAC:
CRITL:
X

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Schedule B and Export
  • Schedule B: 8529109000
  • SITC: 76493
  • End Use: Telecommunications equipment
  • NAICS: 334220
  • USDA: 1

Freight Class: Antenna & antenna reflectors of all kinds; parts suitable for use soley or principally w/ apparatus of heading 8525 to 8528, nesoi

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