Model: 1820-40A

Pressure Switch

Properties:

Thread Class
3a all threaded stud
Hazardous Locations/environmental Protection
Dusttight
Overall Length
3.875 inches
Body Length
1.875 inches
Overall Diameter
4.062 inches
Pressure Switch Type
Gage
Operating Tempurature Rating
Between 40.0 degrees fahrenheit and 125.0 degrees fahrenheit
Mounting Method
Threaded stud
Thready Qty Per Inch (tpi)
14 all threaded stud
Thready Qty Per Inch (tpi)
27 single pressure connection
Contact Action Stimulus
Increase
Proof Pressure
10.00 pounds per square inch gage
Thread Size
0.125 inches single pressure connection
Thread Size
0.500 inches all threaded stud
Nonpile-up Contact Arrangement
1 pole, double throw, one position momentary
Terminal Type
Screw
Contact Load Current Rating
15.0 amperes resistive load single voltage
Contact Adjustability
Deactuation point adjustable and actuation point adjustable
Contact Adjustment Range
+8.00/+40.00 actuation point inches of water and +5.00/+37.00 deactuation point inches of water
Contact Adjustment Type
External deactuation point screw and external actuation point screw
Contact Stimulus Rating
3.00 differential point inches of water
Contact Voltage Rating In Volts
120.0 ac at sea level single voltage
Pressure Connector Type
Plain, threaded internal single connection
Frequency In Hertz
60.0 single voltage
Media For Which Designed
Liquid
Style Designator
Cylindrical
Thread Series Designator
Npt all threaded stud
Thread Series Designator
Npt single pressure connection
NSN
5930-00-201-8836
Part Number
1820-40A
Description
Switch,pressure
CAGE
85274

A switch which is actuated by changes in pressure of any gas or liquid or by changes in a vacuum acting upon its sensing element. Excludes baroswitch; switch, pressure-thermostatic; and switch, sensitive.

Part 1820-40A NSN 5930-00-201-8836

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00206
FIIG:
A048B0
Concept No.:
1
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:
A
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
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:
061300
UFC:
34410
LTL:
77.5
LCL:
--
WCC:
658
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8536509065
  • SITC: 77255
  • End Use: Electric apparatus
  • NAICS: 335931
  • USDA: 1

Freight Class: Switches, for a voltage not exceeding 1000 volts, nesoi

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