Model: M3970/16-004

Waveguide Assembly

Properties:

Cross Sectional Shape
Internal, rectangular external, rectangular
Thread Class
2b single flange all connection facilities
Thread Direction
Right-hand single 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
1.122 inches second flange
Flange Inside Width
1.255 inches first flange
Flange Inside Height
0.497 inches second flange
Flange Inside Height
0.630 inches first 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 single flange
Flange Depth
0.438 inches first flange
Flange Depth
0.625 inches second flange
Flange Connecting Hole Diameter
0.169 inches single flange all connection facilities
Voltage Standing Wave Ratio
1.08
Insertion Loss In Decibels
0.06
Thready Qty Per Inch (tpi)
32 single flange all connection facilities
Maximum Operating Pressure
30.0 pounds per square inch gage
Waveguide Outside Width
1.625 inches
Thread Size
0.164 inches single flange all connection facilities
Waveguide Inside Width
0.505 inches
Waveguide Inside Height
1.005 inches
Waveguide Outside Height
1.625 inches
Waveguide Longer Offset Distance
1.869 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 Offset Distance
1.869 inches
Flexibility
Rigid single tubing segment
Material
Metal single tubing segment and flange
Style Designator
Corner type
Thread Series Designator
Unc single flange all connection facilities
Specification Data
81349-mil-w-3970/16 government specification
NSN
5985-01-120-9220
Part Number
M3970/16-004
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 M3970/16-004 NSN 5985-01-120-9220

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:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.8000lbs
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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