Model: J281A

Waveguide Adapter

Special Features:

Weapon system essential

Properties:

Cross Sectional Shape
Internal, rectangular external, rectangular
End Application
Umm/photonics, virginia class cgn (41), ohio class ssn (trident) ship, kidd class ddg, submarine surveillance systems.
Tubing Wall Construction Style
Seamless single tubing segment
Flange Quantity
1
Flange Inside Width
1.503 inches single flange
Flange Inside Height
0.753 inches single flange
Flange Outside Diameter
3.110 inches single flange and 3.140 inches single flange
Flange Depth
0.360 inches single flange and 0.390 inches single flange
Flange Connecting Hole Diameter
0.219 inches single flange single connection facility
Voltage Standing Wave Ratio
1.30
Coaxial Connector Series Designation
N
Connector End Design
Female
Adapter Length
1.875 inches
Waveguide Outside Width
Between 1.496 inches and 1.504 inches
Waveguide Inside Width
Between 1.368 inches and 1.376 inches
Waveguide Inside Height
Between 0.618 inches and 0.626 inches
Criticality Code Justification
Feat
Waveguide Outside Height
Between 0.746 inches and 0.754 inches
Flange Connecting Facility And Quantity
6 unthreaded hole single flange single connection facility
Adapter Diameter
3.125 inches
Flange Style
Cover type single flange
Adapterheight
3.125 inches
Material
Copper alloy single tubing segment
Precious Material And Location
Contact surface silver
Precious Material
Silver
Surface Treatment
Silver all tubing segment and flange all surfaces and rhodium all tubing segment and flange all surfaces
Surface Treatment
Primer all tubing segment and flange outside surfaces and chromate zinc all tubing segment and flange outside surfaces and enamel all tubing segment and flange outside surfaces
Style Designator
Waveguide to coaxial
Fsc Application Data
Antennas, waveguides, and related equipment
NSN
5985-00-606-9161
Part Number
J281A
Description
Adapter,waveguide
CAGE
1LQK8

An item designed to establish the necessary accommodations to connect a waveguide to a coaxial line, or to connect two or more terminated waveguides whose physical design does not normally allow connection.

Part J281A NSN 5985-00-606-9161

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00186
FIIG:
A073A0
Concept No.:
App. Key:
D
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:
P
ESD:
ESD:
MMAC:
CRITL:
Y

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.2000lbs
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:
658
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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