Model: 181A343-2

Pressure Switch

Properties:

Thread Class
2b second threaded stud
Thread Class
3b first pressure connection
Overall Length
4.500 inches
Overall Diameter
3.500 inches
Pressure Switch Type
Differential
Operating Tempurature Rating
Between 0.0 degrees fahrenheit and 160.0 degrees fahrenheit
Mounting Method
Threaded stud
Features Provided
Automatic reset
Contact Action Stimulus
Increase
Proof Pressure
10.00 pounds per square inch
Thread Size
0.156 inches second threaded stud
Thread Size
0.438 inches first pressure connection
Mounting Facility Pattern
Three position circular
Nonpile-up Contact Arrangement
1 pole, double throw, one position momentary
Terminal Type
Connector, receptacle
Contact Load Current Rating
5.0 amperes resistive load single voltage and 3.0 amperes inductive load single voltage
Contact Adjustability
Actuation point not adjustable and deactuation point not adjustable
Contact Stimulus Rating
23.00 actuation point inches of water and 21.70 deactuation point inches of water
Contact Voltage Rating In Volts
30.0 dc at sea level single voltage
Pressure Connector Type
Gasket seal, threaded internal all connections
Style Designator
Cylindrical
Thread Series Designator
Unf second threaded stud
Thread Series Designator
Unjf first pressure connection
NSN
5930-01-448-7801
Part Number
181A343-2
Description
Switch,pressure
CAGE
03640

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 181A343-2 NSN 5930-01-448-7801

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:
EH
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
7.0 X 5.0 X 5.0
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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