Model: MIL-W-3970/13

Waveguide Assembly

Special Features:

Test data document: a81349-milw3970

Properties:

Cross Sectional Shape
Internal, rectangular external, rectangular
Thread Direction
Right-hand first flange single connection facility
Bend Angle In Deg
90.0 single bend h-plane
Tubing Wall Construction Style
Seamless single tubing segment
Flange Quantity
2
Flange Inside Width
2.840 inches first flange
Flange Inside Width
3.002 inches second flange
Flange Inside Height
1.340 inches first flange
Flange Inside Height
1.502 inches second flange
Flange Outside Diameter
5.313 inches first flange
Flange Outside Diameter
5.313 inches second flange
Flange Depth
0.750 inches second flange
Flange Depth
1.250 inches first flange
Flange Connecting Hole Diameter
0.257 inches second flange single connection facility
Waveguide Outside Width
3.000 inches
Thread Size
0.250 inches first flange single connection facility
Waveguide Inside Width
2.840 inches
Waveguide Inside Height
1.340 inches
Waveguide Outside Height
1.500 inches
Waveguide Longer Offset Distance
10.500 inches
Flange Connecting Facility And Quantity
8 threaded hole first flange single connection facility
Flange Connecting Facility And Quantity
8 unthreaded hole second flange single connection facility
Flange Style
Choke type first flange
Flange Style
Cover type second flange
Waveguide Offset Distance
10.500 inches
Flexibility
Rigid single tubing segment
Material
Aluminum alloy all flange
Material
Aluminum alloy single tubing segment
Surface Treatment
Any acceptable all flange inside surfaces
Surface Treatment
Any acceptable all flange outside surfaces
Style Designator
Bend type
Thread Series Designator
Unc first flange single connection facility
NSN
5985-00-276-3350
Part Number
MIL-W-3970/13
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-3970/13 NSN 5985-00-276-3350

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:
U
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
063520
UFC:
49770
LTL:
RATING VARIABLE
LCL:
77.5
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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