Model: 642VH

Pressure Switch

Properties:

Inside Diameter
0.250 inches single connection
Overall Length
2.620 inches
Overall Height
4.300 inches
Overall Width
2.620 inches
Longest Horizontal Distance Between Mounting Centers
2.120 inches
Longest Vertical Distance Between Mounting Centers
2.120 inches
Pressure Switch Type
Gage
Mounting Method
Base
Features Provided
Hermetically sealed case
Thready Qty Per Inch (tpi)
18 single pressure connection
Contact Action Stimulus
Increase
Proof Pressure
120.00 pounds per square inch
Thread Size
0.250 inches single pressure connection
Mounting Facility Pattern
Four position rectangular
Nonpile-up Contact Arrangement
2 pole, double throw, one position momentary
Terminal Type
Wire lead
Contact Load Current Rating
5.0 amperes resistive load first voltage and 5.0 amperes inductive load first voltage
Contact Load Current Rating
5.0 amperes resistive load second voltage and 3.0 amperes inductive load second voltage
Contact Adjustability
Deactuation point not adjustable and actuation point not adjustable
Contact Stimulus Rating
7.00 actuation point inches of mercury and 6.00 deactuation point inches of mercury and 1.00 differential point inches of mercury
Contact Voltage Rating In Volts
250.0 ac at sea level first voltage
Contact Voltage Rating In Volts
28.0 dc at sea level second voltage
Pressure Connector Type
Gasket seal, threaded internal single connection
Frequency In Hertz
50.0 first voltage and 60.0 first voltage
Media For Which Designed
Gas or liquid
Style Designator
Cylindrical w/lugs
Thread Series Designator
Npt single pressure connection
NSN
5930-01-039-8392
Part Number
642VH
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 642VH NSN 5930-01-039-8392

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
3.0000lbs
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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