Model: 78143-4

Pressure Switch

Properties:

Overall Length
2.000 inches
Overall Diameter
1.690 inches
Pressure Switch Type
Gage
Mounting Method
Clamp
Features Provided
Internally grounded
Thready Qty Per Inch (tpi)
27 single pressure connection
Contact Action Stimulus
Increase
Thread Size
0.125 inches single pressure connection
Nonpile-up Contact Arrangement
1 pole, single throw, normally open, momentary action
Terminal Type
Tab w/screw
Contact Load Current Rating
15.0 amperes resistive load second voltage
Contact Load Current Rating
4.0 amperes resistive load first voltage
Contact Adjustability
Deactuation point not adjustable and actuation point not adjustable
Contact Stimulus Rating
4.00 actuation point pounds per square inch and 3.00 deactuation point pounds per square inch and 1.00 differential point pounds per square inch
Contact Voltage Rating In Volts
24.0 dc at sea level first voltage
Contact Voltage Rating In Volts
6.0 dc at sea level second voltage
Pressure Connector Type
Flared, threaded external single connection
Media For Which Designed
Gas or liquid
Precious Material And Location
Contacts silver
Precious Material
Silver
Style Designator
Cylindrical
Thread Series Designator
Npt single pressure connection
NSN
5930-00-070-7042
Part Number
78143-4
Description
Switch,pressure
CAGE
91929

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 78143-4 NSN 5930-00-070-7042

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:
S
ESD:
ESD:
MMAC:
EH
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.3000lbs
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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