Model: 2221837NB4

Pressure Switch

Special Features:

Manufacturing processes and materials are critical to safety of life and property

Properties:

Thread Class
2b single pressure connection
Inside Diameter
0.438 inches single connection
Thread Length
2.000 inches single pressure connection
Hazardous Locations/environmental Protection
Dustproof
Overall Length
5.000 inches
Overall Height
5.813 inches
Overall Width
2.688 inches
Body Length
4.875 inches
Body Height
2.500 inches
Unthreaded Mounting Hole Diameter
0.281 inches
Longest Horizontal Distance Between Mounting Centers
2.406 inches
Shortest Horizontal Distance Between Mounting Centers
1.750 inches
Longest Vertical Distance Between Mounting Centers
3.281 inches
Pressure Switch Type
Gage
Operating Tempurature Rating
Between -30.0 degrees fahrenheit and 580.0 degrees fahrenheit
Mounting Method
Bracket and unthreaded hole
Thready Qty Per Inch (tpi)
20 single pressure connection
Contact Action Stimulus
Increase
Proof Pressure
160.00 pounds per square inch
Thread Size
0.438 inches single pressure connection
Mounting Facility Pattern
Isosceles triangle
Nonpile-up Contact Arrangement
1 pole, single throw, normally closed, momentary action
Criticality Code Justification
Feat
Terminal Type
Tab w/screw
Contact Load Current Rating
16.0 amperes resistive load second voltage
Contact Load Current Rating
2.0 amperes resistive load third voltage
Contact Load Current Rating
3.4 amperes resistive load first voltage
Contact Load Current Rating
9.6 amperes resistive load fourth voltage
Contact Adjustability
Deactuation point adjustable and actuation point adjustable
Contact Adjustment Range
+9.00/+87.00 actuation point pounds per square inch and +5.00/+75.00 deactuation point pounds per square inch
Contact Adjustment Type
External deactuation point screw and external actuation point screw
Contact Voltage Rating In Volts
115.0 ac at sea level second voltage
Contact Voltage Rating In Volts
115.0 dc at sea level fourth voltage
Contact Voltage Rating In Volts
550.0 ac at sea level first voltage
Contact Voltage Rating In Volts
550.0 dc at sea level third voltage
Pressure Connector Type
Plain, threaded internal single connection
Media For Which Designed
Gas
Precious Material And Location
Contacts silver
Precious Material
Silver
Style Designator
Rectangular
Thread Series Designator
Unf single pressure connection
NSN
5930-00-782-7853
Part Number
2221837NB4
Description
Switch,pressure
CAGE
19278

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 2221837NB4 NSN 5930-00-782-7853

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:
CRITL:
Y

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
8.0 X 7.0 X 4.0
Paclk Weight:
2.9000lbs
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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