Model: MIL-W-287/4

Waveguide Assembly

Properties:

Cross Sectional Shape
Internal, rectangular external, rectangular
Thread Class
2b second flange all connection facilities
Thread Direction
Right-hand second flange all connection facilities
Tubing Wall Construction Style
Seamless single tubing segment
Flange Quantity
2
Flange Inside Width
0.896 inches first flange and 0.904 inches first flange
Flange Inside Width
1.003 inches second flange
Flange Inside Height
0.396 inches first flange and 0.404 inches first flange
Flange Inside Height
0.503 inches second flange
Flange Outside Width
1.610 inches first flange and 1.640 inches first flange
Flange Outside Width
1.610 inches second flange and 1.640 inches second flange
Flange Outside Height
1.610 inches second flange and 1.640 inches second flange
Flange Outside Height
1.610 inches first flange and 1.640 inches first flange
Flange Depth
0.360 inches second flange and 0.390 inches second flange
Flange Depth
0.423 inches first flange and 0.453 inches first flange
Flange Connecting Hole Diameter
0.169 inches first flange all connection facilities
Voltage Standing Wave Ratio
1.10
Insertion Loss In Decibels
10.00
Thready Qty Per Inch (tpi)
32 second flange all connection facilities
Maximum Operating Pressure
60.0 pounds per square inch gage
Waveguide Outside Width
Between 0.996 inches and 1.004 inches
Thread Size
0.164 inches second flange 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
Waveguide Outside Height
Between 0.496 inches and 0.504 inches
Flange Connecting Facility And Quantity
4 threaded hole second flange all connection facilities
Flange Connecting Facility And Quantity
4 unthreaded hole first flange all connection facilities
Flange Style
Choke type second flange
Flange Style
Cover type first flange
Waveguide Length
1.500 feet
Flexibility
Flexible single tubing segment
Material
Copper alloy all tubing segment and flange
Surface Treatment
Any acceptable all tubing segment and flange outside surfaces
Style Designator
Straight type
Thread Series Designator
Unc second flange all connection facilities
Specification Data
81349-mil-w-287/4 government specification
Fsc Application Data
Antennas, waveguides, and related equipment
NSN
5985-00-926-7227
Part Number
MIL-W-287/4
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 MIL-W-287/4 NSN 5985-00-926-7227

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:
A
ESD:
ESD:
MMAC:
EH
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
1.5000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
063520
UFC:
49770
LTL:
RATING VARIABLE
LCL:
--
WCC:
723
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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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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