Model: 642DHB1-4-8PSIDECR

Pressure Switch

Properties:

Unthreaded Mounting Hole Diameter
Between 0.219 inches and 0.233 inches
Longest Horizontal Distance Between Mounting Centers
2.120 inches
Longest Vertical Distance Between Mounting Centers
2.120 inches
Pressure Switch Type
Differential
Operating Tempurature Rating
Between -34.0 degrees celsius and 71.0 degrees celsius
Mounting Method
Unthreaded hole
Thready Qty Per Inch (tpi)
18 all pressure connection
Contact Action Stimulus
Decrease
Thread Size
0.250 inches single pressure connection
Mounting Facility Pattern
Four position rectangular
Nonpile-up Contact Arrangement
1 pole, double throw, one position momentary
Terminal Type
Wire lead
Contact Load Current Rating
15.0 amperes resistive load first voltage and 15.0 amperes inductive load first voltage
Contact Load Current Rating
400.0 milliamperes resistive load second voltage and 200.0 milliamperes inductive load second voltage
Contact Adjustability
Deactuation point not adjustable and actuation point not adjustable
Contact Stimulus Rating
4.80 actuation point pounds per square inch
Contact Voltage Rating In Volts
125.0 dc at sea level second voltage
Contact Voltage Rating In Volts
480.0 ac at sea level first voltage
Pressure Connector Type
Plain, threaded internal all connections
Frequency In Hertz
50.0 first voltage and 60.0 first voltage
Thread Series Designator
Npt all pressure connection
NSN
5930-01-049-1335
Part Number
642DHB1-4-8PSIDECR
Description
Switch,pressure
CAGE
09049

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 642DHB1-4-8PSIDECR NSN 5930-01-049-1335

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:
U
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
061300
UFC:
34410
LTL:
77.5
LCL:
77.5
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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