Model: 1820-1A

Pressure Switch

Properties:

Inside Diameter
0.125 inches all connections
Overall Length
4.060 inches
Overall Height
3.880 inches
Overall Width
4.060 inches
Pressure Switch Type
Differential
Mounting Method
Threaded stud
Thready Qty Per Inch (tpi)
27 all pressure connection
Contact Action Stimulus
Increase
Thread Size
0.125 inches all pressure connection
Thread Size
0.500 inches single threaded stud
Nonpile-up Contact Arrangement
1 pole, double throw, both positions maintained
Terminal Type
Screw
Contact Load Current Rating
100.0 milliamperes inductive load single voltage
Contact Adjustability
Actuation point adjustable, preset
Contact Adjustment Range
+0.20/+1.00 actuation point inches of water
Contact Adjustment Type
External actuation point screw
Contact Voltage Rating In Volts
28.0 dc at sea level single voltage
Pressure Connector Type
Flare, threaded internal first connection
Pressure Connector Type
Plain, threaded internal second connection
Media For Which Designed
Gas or liquid
Style Designator
Cylindrical w/mounting lugs
Thread Series Designator
Npt single threaded stud
Thread Series Designator
Ptf-sae short all pressure connection
NSN
5930-00-253-5176
Part Number
1820-1A
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 1820-1A NSN 5930-00-253-5176

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:
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:
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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